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      id="TextSelection-7DFC8A873B34EF6A54EF35398DE53EFB-0-wk-Fact-E13724AAD246FAEAEECF353B6A7C43BF">Business and Summary of Significant Accounting Policies &lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Business Description&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Tenable Holdings, Inc. (the &#x201c;Company,&#x201d; &#x201c;we,&#x201d; "us," or &#x201c;our&#x201d;) is a provider of Cyber Exposure solutions, which is a discipline for managing and measuring cybersecurity risk in the digital era. Our enterprise software platform enables broad visibility into an organization&#x2019;s cyber exposure across the modern attack surface and deep insights that help organizations translate technical data into business insights to understand and reduce their cybersecurity risk.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Basis of Presentation&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The accompanying consolidated financial statements include the accounts of Tenable Holdings, Inc. and our wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The consolidated financial statements have been prepared in conformity with United States generally accepted accounting principles (&#x201c;GAAP&#x201d;) for interim financial information. The consolidated statements are unaudited and should be read in conjunction with the consolidated financial statements and related notes included in our final prospectus for our initial public offering ("IPO") dated as of July 25, 2018 and filed with the Securities and Exchange Commission pursuant to Rule 424(b)(4) under the Securities Act of 1933, as amended, on &lt;/span&gt;&lt;span style="font-family:Arial;"&gt;July 26, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; ("Prospectus").&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The consolidated financial statements have been prepared on a basis consistent with the audited annual consolidated financial statements included in the Prospectus and, in the opinion of management, include all adjustments of a normal recurring nature necessary to fairly state our financial position, our results of operations, and cash flows. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The results for the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; are not necessarily indicative of the operating results expected for the year ended &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;December&#160;31,&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Initial Public Offering&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Our IPO closed on &lt;/span&gt;&lt;span style="font-family:Arial;"&gt;July 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, after quarter end. As a result, our consolidated financial statements as of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;and for the periods then ended do not reflect the sale of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,535,000 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock at the IPO price of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$23.00&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;for net proceeds of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$265 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, after underwriting discounts and commissions and offering expenses,&#160;or the conversion of all outstanding shares of our redeemable convertible preferred stock into an aggregate of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,385,854 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Use of Estimates&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates include, but are not limited to, the determination of the estimated economic life of perpetual licenses for revenue recognition, the estimated period of benefit for deferred commissions, useful lives of long-lived assets, the valuation of stock-based compensation, including the estimated underlying fair value of our common stock, and the valuation of deferred tax assets. We base these estimates on historical experience and on various other assumptions that we believe to be reasonable. Actual results could differ significantly from these estimates.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Revenue Recognition&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We early adopted Accounting Standards Codification (&#x201c;ASC&#x201d;) Topic 606,&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Revenue From Contracts With Customers&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;(&#x201c;ASC 606&#x201d;), on&#160;January&#160;1, 2017 using the modified retrospective method and applying the guidance to all contracts as of January&#160;1, 2017. The most significant impact of adopting ASC 606 was the deferral of perpetual license revenue over an estimated economic life, including estimated maintenance renewal periods, whereas under the previous &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;guidance we recognized perpetual license revenue upon delivery of the perpetual license. Additionally, the incremental costs of obtaining a contract with a customer are deferred, and will be amortized over a longer estimated period of benefit, whereas under previous guidance we amortized such costs over the contract term.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The core principle of ASC 606 is that revenue should be recognized to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. To achieve the core principle of ASC 606, we apply the following steps:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:72px;padding-bottom:4px;text-align:left;text-indent:0px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Identify the contract with a customer&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:4px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Identify the performance obligations in the contract&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:4px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Determine the transaction price&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:4px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Allocate the transaction price to the performance obligations in the contract&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:16px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:16px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Recognize revenue when or as performance obligations are satisfied&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We generate revenue from subscription arrangements for software and cloud-based solutions, perpetual licenses, maintenance associated with perpetual licenses, and professional services and other revenue. We begin to recognize revenue when control of our software or services is transferred to the customer, which for sales made through distributors is concurrent with the transfer to the end user.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The following table presents a summary of revenue:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Subscription revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;48,725&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;30,844&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;93,057&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;58,546&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Perpetual license and maintenance revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;13,412&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,283&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;26,889&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;24,272&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Professional services and other revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,455&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,022&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,812&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;44,149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;122,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;84,630&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Subscription Revenue&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Subscription arrangements generally have annual or multi-year contractual terms and allow customers to use our software or cloud solutions, including ongoing software updates and the ability to identify the latest cybersecurity vulnerabilities. Revenue is recognized ratably over the subscription term given the critical utility provided by the ongoing updates that are released throughout the contract period. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Perpetual License and Maintenance Revenue &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Our perpetual licenses are generally sold with one or more years of maintenance, which include ongoing software updates and the ongoing ability to identify the latest cybersecurity vulnerabilities. Given the critical utility provided by the ongoing software updates and updated ability to identify network vulnerabilities included in maintenance, we combine the perpetual license and the maintenance into a single performance obligation. Perpetual license arrangements generally contain a material right related to the customer&#x2019;s ability to renew maintenance at a price that is less than the initial license fee. We apply a practical alternative to allocating a portion of the transaction price to the material right performance obligation and estimate a hypothetical transaction price which includes fees for expected maintenance renewals based on the estimated economic life of the perpetual license contracts. We allocate the transaction price between the cybersecurity subscription provided in the initial contract and the material right related to expected contract renewals based on the hypothetical transaction price. We recognize the amount allocated to the combined license and maintenance performance obligation over the initial contractual period, which is generally one year. We recognize the amount allocated to the material right over the expected maintenance renewal period, which begins at the end of the initial contractual term and is generally &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;four years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. We have estimated the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;five&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;-year economic life of perpetual license contracts based on historical contract attrition, expected renewal periods, the lifecycle of the our technology and other factors. While we &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;believe that the estimates we have made are reasonable and appropriate, different assumptions and estimates could materially impact our reported financial results.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Professional Services and Other Revenue&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Professional services and other revenue is primarily comprised of advisory services and training related to the deployment and optimization of our products. These services do not result in significant customization of our products. Professional services and other revenue is recognized as the services are performed. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Contracts with Multiple Performance Obligations&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In cases where our contracts with customers contain multiple performance obligations, the contract transaction price is allocated on a relative standalone selling price basis. We typically determine standalone selling price based on observable selling prices of our products and services. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Variable Consideration &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We record revenue from sales at the net sales price, which is the transaction price, including estimates of variable consideration when applicable. Certain of our customers may be entitled to receive credits and in certain circumstances, refunds, if service level commitments are not met. We have not historically experienced significant incidents affecting the ability to meet these service level commitments and any estimated refunds related to these agreements have not been material. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Sales through our channel network of distributors and resellers are generally discounted as compared to the price that we would sell to an end user. Revenue for sales through our channel network is recorded net of any distributor or reseller margin. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Concentrations &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We sell our products and services through a channel network of distributors and resellers, along with our own sales teams. We derived &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;87%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue through our channel network in each of the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;82%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;81%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue in the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, respectively. One of our distributors accounted for &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;46%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue in each of the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, compared with &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;42%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue in each of the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. That same distributor accounted for &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;48%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of accounts receivable at &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;padding-left:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Contract Balances&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We generally bill our customers in advance and accounts receivable are recorded when we have the right to invoice the customer. Contract liabilities consist of deferred revenue and include customer billings and payments received in advance of performance under the contract. In the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, we recognized revenue of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$51.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$99.2 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$39.6 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$68.3 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, respectively, that was included in the deferred revenue balance at the beginning of each of the respective periods.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Remaining Performance Obligations&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;At &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, the future estimated revenue related to unsatisfied performance obligations was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$252.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, with &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;71%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; expected to be recognized as revenue over the succeeding &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;twelve months&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, and the remainder expected to be recognized over the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;four years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; thereafter.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;padding-left:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Deferred Commissions&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Sales commissions, including related incremental fringe benefit costs, are considered to be incremental costs of obtaining a contract. Sales commissions on initial sales are not commensurate with sales commissions on contract renewals and therefore are recognized over an estimated period of benefit, which ranges between &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;four&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; years for &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;subscription arrangements and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;five&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; years for perpetual license arrangements. We estimated the period of benefit based on the expected contract term including renewal periods, the lifecycle of our technology, and other factors. Sales commissions on contract renewals are capitalized and amortized ratably over the contract term, with the exception of contracts with renewal periods that are one year or less, in which case the incremental costs are expensed as incurred.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The following summarizes the activity of deferred incremental costs of obtaining a contract in the periods presented:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:center;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Beginning balance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,451&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;31,906&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,176&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;30,118&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Capitalization of contract acquisition costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4,700&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7,558&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;9,847&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,162&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Amortization of deferred contract acquisition costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(4,346&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(3,212&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(9,218&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(6,028&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Ending balance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;36,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;36,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Amortization of deferred contract acquisition costs is included in sales and marketing expense in the consolidated statements of operations and comprehensive loss.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Construction in Progress &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In October 2017, we entered into a lease for our new corporate headquarters, which is currently being constructed in Columbia, Maryland. The lease has an anticipated start date in the third quarter of 2019 with a &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;-year initial term and&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$68.2 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;of lease payments. Under current accounting guidance for build-to-suit lease arrangements, we concluded that we are the deemed owner of the building during the construction period. Accordingly, we recorded a construction-in-progress asset of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$12.3 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$2.3 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, for which there is a corresponding construction financing obligation of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$11.8 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$1.8 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, in each case net of a &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$0.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; deposit,&#160;recorded in the consolidated balance sheets at June 30, 2018 and December&#160;31, 2017, respectively. We will continue to increase the construction-in-progress asset and corresponding long-term liability as additional building costs are incurred by the landlord during the construction period. Upon completion of the construction, we will evaluate whether or not this arrangement meets the criteria for sale-leaseback accounting treatment. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Deferred Offering Costs&#160;&#160;&#160;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Our deferred offering costs consist of legal, accounting and other fees incurred in connection with our IPO. These costs have been deferred and are included in "Other assets" in the consolidated balance sheet and will be offset against the IPO proceeds. We deferred &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$2.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of offering costs as of June 30, 2018. &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; amounts were deferred as of December 31, 2017.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Recent Accounting Pronouncements Not Yet Adopted&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No.&#160;2016-02 - &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Leases (Topic 842)&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, which will require, among other items, lessees to recognize a right-of-use asset and a lease liability for most leases. ASU 2016-02 will be effective for us beginning January 1, 2019, with early adoption permitted. In July 2018, the FASB issued ASU 2018-11, Leases (Topic 842), &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Targeted Improvements&lt;/span&gt;, which provides an adoption method that would allow companies to apply the new guidance to the financial statements in the period of adoption and thereafter, and not apply the new guidance to comparative periods presented. We are evaluating the impact of this standard, including the adoption methodology, to determine the impact on our consolidated financial statements.</us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock>
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      id="TextSelection-BDA33FBABB1081362EA6353D90420833-0-wk-Fact-ADBDD51E5D20220869BB353DF3F26EA7">The accompanying consolidated financial statements include the accounts of Tenable Holdings, Inc. and our wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation.</us-gaap:ConsolidationPolicyTextBlock>
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      id="TextSelection-E9F4FBFF5FF1CE24DAF4353E58647823-0-wk-Fact-C0B3E040945B8A768E0F353EA482C80F">The consolidated financial statements have been prepared in conformity with United States generally accepted accounting principles (&#x201c;GAAP&#x201d;) for interim financial information. The consolidated statements are unaudited and should be read in conjunction with the consolidated financial statements and related notes included in our final prospectus for our initial public offering ("IPO") dated as of July 25, 2018 and filed with the Securities and Exchange Commission pursuant to Rule 424(b)(4) under the Securities Act of 1933, as amended, on &lt;span style="font-family:Arial;"&gt;July 26, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; ("Prospectus").&lt;/span&gt;The consolidated financial statements have been prepared on a basis consistent with the audited annual consolidated financial statements included in the Prospectus and, in the opinion of management, include all adjustments of a normal recurring nature necessary to fairly state our financial position, our results of operations, and cash flows. </us-gaap:BasisOfAccountingPolicyPolicyTextBlock>
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      id="TextSelection-CD805C0549DF2CD196C635407568A60D-0-wk-Fact-C6AEB7896AE817BB4B683540D8FC2DDA">The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. These estimates include, but are not limited to, the determination of the estimated economic life of perpetual licenses for revenue recognition, the estimated period of benefit for deferred commissions, useful lives of long-lived assets, the valuation of stock-based compensation, including the estimated underlying fair value of our common stock, and the valuation of deferred tax assets. We base these estimates on historical experience and on various other assumptions that we believe to be reasonable. Actual results could differ significantly from these estimates.</us-gaap:UseOfEstimates>
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      id="TextSelection-FDD63BE4C6706FC0F8413A386B7F39FE-0-wk-Fact-441FF3FC82A57A58BDAB3A38C2FE69A7">The following table presents a summary of revenue:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Subscription revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;48,725&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;30,844&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;93,057&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;58,546&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Perpetual license and maintenance revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;13,412&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,283&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;26,889&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;24,272&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Professional services and other revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,455&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,022&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,812&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;44,149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;122,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;text-indent:2px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;84,630&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:DisaggregationOfRevenueTableTextBlock>
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      unitRef="usd">48725000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="d579103e835-wk-Fact-41640A3818BCA0E67ED83547A6CA847E"
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      id="d579103e869-wk-Fact-26EBD60E0B1EB47A6D923547A694220A"
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      id="d579103e888-wk-Fact-E5DDCDE8F00CC15D2ABF3547A67FA28C"
      unitRef="usd">26889000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="d579103e908-wk-Fact-1500CEE7D12862CAE5203547A73A94C5"
      unitRef="usd">24272000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="d579103e928-wk-Fact-C9B42A06CE96EE098EAF3547A85BA4F4"
      unitRef="usd">1455000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="TextSelection-6D09579673B4E2F6C97D44550A95C7AB-0-wk-Fact-894F4E6AF62C150775CB445514A687CF">Subscription Revenue&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Subscription arrangements generally have annual or multi-year contractual terms and allow customers to use our software or cloud solutions, including ongoing software updates and the ability to identify the latest cybersecurity vulnerabilities. Revenue is recognized ratably over the subscription term given the critical utility provided by the ongoing updates that are released throughout the contract period. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Perpetual License and Maintenance Revenue &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Our perpetual licenses are generally sold with one or more years of maintenance, which include ongoing software updates and the ongoing ability to identify the latest cybersecurity vulnerabilities. Given the critical utility provided by the ongoing software updates and updated ability to identify network vulnerabilities included in maintenance, we combine the perpetual license and the maintenance into a single performance obligation. Perpetual license arrangements generally contain a material right related to the customer&#x2019;s ability to renew maintenance at a price that is less than the initial license fee. We apply a practical alternative to allocating a portion of the transaction price to the material right performance obligation and estimate a hypothetical transaction price which includes fees for expected maintenance renewals based on the estimated economic life of the perpetual license contracts. We allocate the transaction price between the cybersecurity subscription provided in the initial contract and the material right related to expected contract renewals based on the hypothetical transaction price. We recognize the amount allocated to the combined license and maintenance performance obligation over the initial contractual period, which is generally one year. We recognize the amount allocated to the material right over the expected maintenance renewal period, which begins at the end of the initial contractual term and is generally &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;four years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. We have estimated the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;five&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;-year economic life of perpetual license contracts based on historical contract attrition, expected renewal periods, the lifecycle of the our technology and other factors. While we &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;believe that the estimates we have made are reasonable and appropriate, different assumptions and estimates could materially impact our reported financial results.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Professional Services and Other Revenue&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Professional services and other revenue is primarily comprised of advisory services and training related to the deployment and optimization of our products. These services do not result in significant customization of our products. Professional services and other revenue is recognized as the services are performed. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Contracts with Multiple Performance Obligations&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In cases where our contracts with customers contain multiple performance obligations, the contract transaction price is allocated on a relative standalone selling price basis. We typically determine standalone selling price based on observable selling prices of our products and services. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Variable Consideration &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We record revenue from sales at the net sales price, which is the transaction price, including estimates of variable consideration when applicable. Certain of our customers may be entitled to receive credits and in certain circumstances, refunds, if service level commitments are not met. We have not historically experienced significant incidents affecting the ability to meet these service level commitments and any estimated refunds related to these agreements have not been material. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Sales through our channel network of distributors and resellers are generally discounted as compared to the price that we would sell to an end user. Revenue for sales through our channel network is recorded net of any distributor or reseller margin. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Concentrations &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We sell our products and services through a channel network of distributors and resellers, along with our own sales teams. We derived &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;87%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue through our channel network in each of the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;82%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;81%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue in the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, respectively. One of our distributors accounted for &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;46%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue in each of the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, compared with &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;42%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue in each of the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. That same distributor accounted for &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;48%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of accounts receivable at &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;padding-left:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Contract Balances&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We generally bill our customers in advance and accounts receivable are recorded when we have the right to invoice the customer. Contract liabilities consist of deferred revenue and include customer billings and payments received in advance of performance under the contract. In the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, we recognized revenue of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$51.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$99.2 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$39.6 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$68.3 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, respectively, that was included in the deferred revenue balance at the beginning of each of the respective periods.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Remaining Performance Obligations&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;At &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, the future estimated revenue related to unsatisfied performance obligations was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$252.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, with &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;71%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; expected to be recognized as revenue over the succeeding &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;twelve months&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, and the remainder expected to be recognized over the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;four years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; thereafter.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;padding-left:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Deferred Commissions&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Sales commissions, including related incremental fringe benefit costs, are considered to be incremental costs of obtaining a contract. Sales commissions on initial sales are not commensurate with sales commissions on contract renewals and therefore are recognized over an estimated period of benefit, which ranges between &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;four&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; years for &lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;subscription arrangements and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;five&lt;/span&gt; years for perpetual license arrangements. We estimated the period of benefit based on the expected contract term including renewal periods, the lifecycle of our technology, and other factors. Sales commissions on contract renewals are capitalized and amortized ratably over the contract term, with the exception of contracts with renewal periods that are one year or less, in which case the incremental costs are expensed as incurred.We early adopted Accounting Standards Codification (&#x201c;ASC&#x201d;) Topic 606,&#160;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Revenue From Contracts With Customers&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;(&#x201c;ASC 606&#x201d;), on&#160;January&#160;1, 2017 using the modified retrospective method and applying the guidance to all contracts as of January&#160;1, 2017. The most significant impact of adopting ASC 606 was the deferral of perpetual license revenue over an estimated economic life, including estimated maintenance renewal periods, whereas under the previous &lt;/span&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;guidance we recognized perpetual license revenue upon delivery of the perpetual license. Additionally, the incremental costs of obtaining a contract with a customer are deferred, and will be amortized over a longer estimated period of benefit, whereas under previous guidance we amortized such costs over the contract term.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The core principle of ASC 606 is that revenue should be recognized to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. To achieve the core principle of ASC 606, we apply the following steps:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:72px;padding-bottom:4px;text-align:left;text-indent:0px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Identify the contract with a customer&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:4px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Identify the performance obligations in the contract&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:4px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Determine the transaction price&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:4px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:4px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Allocate the transaction price to the performance obligations in the contract&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-left:48px;padding-bottom:16px;text-align:left;text-indent:24px;"&gt;&lt;span style="padding-bottom:16px;text-align:left;font-family:Arial;font-size:10pt;padding-right:24px;"&gt;&#x2022;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Recognize revenue when or as performance obligations are satisfied&lt;/span&gt;&lt;/div&gt;We generate revenue from subscription arrangements for software and cloud-based solutions, perpetual licenses, maintenance associated with perpetual licenses, and professional services and other revenue. 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      id="TextSelection-D101A5282488D161ACA83A394427BCAB-0-wk-Fact-BDBEF6C8FB57BA299FE63A3954F8F4E6">The following summarizes the activity of deferred incremental costs of obtaining a contract in the periods presented:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Beginning balance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,451&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;31,906&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,176&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;30,118&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Capitalization of contract acquisition costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4,700&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7,558&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;9,847&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,162&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Amortization of deferred contract acquisition costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(4,346&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(3,212&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(9,218&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(6,028&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Ending balance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;36,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;36,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:CapitalizedContractCostTableTextBlock>
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      id="d579103e1598-wk-Fact-CA71276B286B44F44B3543F332557F98"
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    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock
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      id="TextSelection-DFAF7E66B9BF0D009CC435412A40A0F5-0-wk-Fact-85828F79C3969811AEA4354188BC94FB">In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No.&#160;2016-02 - &lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Leases (Topic 842)&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, which will require, among other items, lessees to recognize a right-of-use asset and a lease liability for most leases. ASU 2016-02 will be effective for us beginning January 1, 2019, with early adoption permitted. In July 2018, the FASB issued ASU 2018-11, Leases (Topic 842), &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt;Targeted Improvements&lt;/span&gt;, which provides an adoption method that would allow companies to apply the new guidance to the financial statements in the period of adoption and thereafter, and not apply the new guidance to comparative periods presented. We are evaluating the impact of this standard, including the adoption methodology, to determine the impact on our consolidated financial statements.</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
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      id="TextSelection-E3B2EDEDE50454FEE68B3560D6A5146B-0-wk-Fact-8AB2F5BC7CC01DD11AF035615F6C160C">Property and Equipment, Net&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Property and equipment, net consisted of the following:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;padding-left:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="8"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:75%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Computer software and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;11,051&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;9,089&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Furniture and fixtures&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,299&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,102&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Leasehold improvements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,928&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,452&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Equipment under capital leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,831&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:21px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;22,109&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;19,482&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Less: accumulated depreciation and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(10,869&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(8,728&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:21px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Property and equipment, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;11,240&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;10,754&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Depreciation and amortization related to property and equipment was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$1.4 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$2.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;,&lt;/span&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt; &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$0.9 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt; &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$1.8 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; in the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2017&lt;/span&gt;, respectively.</us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock>
    <us-gaap:PropertyPlantAndEquipmentTextBlock
      contextRef="FD2018Q2YTD"
      id="TextSelection-96DB8A9E5F02A77E813B3561BA20D35D-0-wk-Fact-C24855FCF20850FAE2033561F4C0124E">Property and equipment, net consisted of the following:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="8"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:75%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Computer software and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;11,051&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;9,089&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Furniture and fixtures&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,299&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,102&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Leasehold improvements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,928&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,452&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Equipment under capital leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,831&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:21px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;22,109&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;19,482&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:5px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Less: accumulated depreciation and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(10,869&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(8,728&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:21px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Property and equipment, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;11,240&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double 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      id="TextSelection-0D568C7A046CD20BB16135635D2D9052-0-wk-Fact-B7FEED9800302462F1493563BE0E8A0C">Debt &lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;On May 4, 2017, we entered into a &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$25.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; revolving credit facility (&#x201c;Credit Facility&#x201d;) with Silicon Valley Bank, which is available for use until May 4, 2020. The Credit Facility is intended to be used to fund working capital and to provide increased liquidity and financial flexibility and bears interest at either LIBOR plus &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, or the lender's prime rate plus &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. In addition, we pay quarterly in arrears &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;0.25%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of the average unused portion. The Credit Facility is secured by a first priority security interest in all of our assets, with a negative pledge on our Intellectual Property, as defined in the credit agreement. &lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The Credit Facility contains certain restrictive covenants customary for facilities of this type including restrictions on indebtedness, liens, acquisitions and investments, restricted payments and dispositions. If, as of the last day of any quarter, the outstanding balance of the Credit Facility exceeds &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$5.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, there are financial covenants that require us to maintain a minimum level of earnings before income taxes, interest, depreciation and amortization (&#x201c;EBITDA&#x201d;) adjusted to add changes in deferred revenue in the period, and a minimum current ratio level. There were &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;no&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; borrowings under the Credit Facility during the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;six months ended June 30, 2018&lt;/span&gt; or in 2017.</us-gaap:DebtDisclosureTextBlock>
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      id="TextSelection-54F243CE043CD24A427435651BDC60E8-0-wk-Fact-714C6CE9120A5DAABEAB35659BD326F1">Commitments and Contingencies&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Operating and Capital Leases&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We have entered into various non-cancelable operating leases, primarily related to office real estate, that expire through 2022 and generally contain renewal options for up to &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;five years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. Rent expense was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$1.3 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$2.4 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$0.9 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$1.6 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; in the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We also lease computer and office equipment under non-cancelable capital leases that expire through 2022. The total obligations for capital lease arrangements were &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$1.2 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$1.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; at &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, respectively. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Future minimum non-cancelable lease payments for operating and capital leases at &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:87%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Years ending December&#160;31:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,035&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,909&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7,440&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,187&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;58,301&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total future minimum lease payments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;83,786&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total future minimum lease payments at &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; includes &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$68.2 million&lt;/span&gt;&lt;/span&gt; of future lease payments related to the lease of our new headquarters, which is currently being constructed in Columbia, Maryland. These lease payments are expected to commence in the first quarter of 2021.</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
    <us-gaap:LesseeOperatingLeaseTermOfContract
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    <us-gaap:LeaseAndRentalExpense
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    <us-gaap:LeaseAndRentalExpense
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      unitRef="usd">900000</us-gaap:LeaseAndRentalExpense>
    <us-gaap:LeaseAndRentalExpense
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    <us-gaap:CapitalLeaseObligations
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      id="TextSelection-B5C3404D7D580D1765183565E330C0AA-0-wk-Fact-4E0344B2639E8ACB4DF835663594B1D2">Future minimum non-cancelable lease payments for operating and capital leases at &lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:87%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Years ending December&#160;31:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,035&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,909&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7,440&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,187&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;58,301&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total future minimum lease payments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;83,786&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock>
    <us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock
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      id="TextSelection-78BE947341F5683343C7356854DF7687-0-wk-Fact-51585BDB62F47A632C693568C1788087">Future minimum non-cancelable lease payments for operating and capital leases at &lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:87%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Years ending December&#160;31:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,035&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,909&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7,440&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,187&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;58,301&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total future minimum lease payments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;83,786&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock>
    <tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear
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      id="d563383e563-wk-Fact-6AC807EB7F9507AEA2595D5FDB865B2B"
      unitRef="usd">2914000</tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsRemainderOfFiscalYear>
    <tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInTwoYears
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      decimals="-3"
      id="d563383e578-wk-Fact-857A450B9D3F0ECFF4AD5D63222357AA"
      unitRef="usd">5035000</tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInTwoYears>
    <tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInThreeYears
      contextRef="FI2018Q2"
      decimals="-3"
      id="d563383e598-wk-Fact-10127CFE6DD05072B8BA5D6457212649"
      unitRef="usd">3909000</tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInThreeYears>
    <tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInFourYears
      contextRef="FI2018Q2"
      decimals="-3"
      id="d563383e618-wk-Fact-DC7D7BBF4EF9F8675CC05D6562A773A7"
      unitRef="usd">7440000</tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInFourYears>
    <tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInFiveYears
      contextRef="FI2018Q2"
      decimals="-3"
      id="d563383e638-wk-Fact-5A78F6445D892FF2F94D5D6677E1636F"
      unitRef="usd">6187000</tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueInFiveYears>
    <tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueThereafter
      contextRef="FI2018Q2"
      decimals="-3"
      id="d563383e658-wk-Fact-24E50F6889E523FBA6B85D67BA1F5F91"
      unitRef="usd">58301000</tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueThereafter>
    <tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueTotal
      contextRef="FI2018Q2"
      decimals="-3"
      id="d563383e683-wk-Fact-B2D5203272E15E0D05745D693F0554F5"
      unitRef="usd">83786000</tenb:OperatingLeasesCapitalLeasesFutureMinimumPaymentsDueTotal>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDue
      contextRef="FI2018Q2_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingMember"
      decimals="-5"
      id="d563383e699-wk-Fact-A5C92E408A1E66016C1E3F1FF682095F"
      unitRef="usd">68200000</us-gaap:OperatingLeasesFutureMinimumPaymentsDue>
    <tenb:TemporaryEquityDisclosureTextBlock
      contextRef="FD2018Q2YTD"
      id="TextSelection-BAB5C17518AA81D3F86D3A3ED098F0C9-0-wk-Fact-0B6D7EB5EFD5DCD80C4D3A40BD3F3D49">Redeemable Convertible Preferred Stock and Common Stock&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Redeemable Convertible Preferred Stock &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In October 2012, Tenable, Inc. (now a wholly owned subsidiary of Tenable Holdings, Inc.) issued &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;15,847,500&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares of Series A redeemable convertible preferred stock at a price of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$3.155067&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; per share, for an aggregate purchase price of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$50 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, less &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$0.1 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; in transaction costs. In December 2015, we issued &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;15,847,500&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares, par value of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$0.01&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, of Series A redeemable convertible preferred stock (&#x201c;Series A&#x201d;) in exchange for Series A Convertible Preferred Stock of Tenable, Inc., in connection with a recapitalization. This exchange was made on a &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;one&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; for one basis. In addition, we authorized &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;42,000,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares and issued &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;39,538,354&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares, par value of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$0.01&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, of Series B Convertible Preferred Stock (&#x201c;Series B&#x201d;) to certain investors at a price of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$5.81735&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; per share. The gross purchase price was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$230.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and we incurred transaction costs of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$3.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. These proceeds were used to repurchase &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;39,387,322&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares of Tenable, Inc.&#x2019;s common stock from its former stockholders in connection with the recapitalization. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Series A and Series B (together, the &#x201c;Redeemable Convertible Preferred Stock&#x201d;) automatically convert into common stock at the then applicable conversion rate in the event of the closing of a qualifying firm commitment underwritten public offering, which is defined as an offering of our common stock to the public at a price of at least &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$17.45&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; per share, that results in gross proceeds of at least &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$75 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. In addition, each share of a series of Redeemable Convertible Preferred Stock will automatically convert into common stock at the then applicable conversion rate for such series upon the vote or written consent of holders of at least &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;60%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of such series. See Note 10 to our consolidated financial statements for details regarding the automatic conversion of the Redeemable Convertible Preferred Stock in connection with our IPO in July 2018. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We accreted the Redeemable Convertible Preferred Stock to the redemption price at the redemption date using the effective interest method. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Common Stock&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;"&gt; &lt;/span&gt;&lt;/div&gt;The voting, dividend, and liquidation rights of common stockholders are subject to, and qualified by, the rights of preferred stockholders. 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      id="TextSelection-21D1DD0D54E4693173A53A4234A56233-0-wk-Fact-5211A5C2F384A3B291953A428D5331B1">Stock-Based Compensation&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We have various stock incentive plans under which we have issued stock-based awards. Stock options granted under our stock incentive plans have a maximum term of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;ten years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, generally vest over a period of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; to &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;four years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, and the exercise price cannot be less than the fair market value on the date of grant. In February 2018 and June 2018, the Board of Directors approved increases of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares available for grant under the 2016 Stock Incentive Plan ("2016 Plan"), respectively. There were &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,118,311&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares available for grant at &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Stock-based compensation expense included in the consolidated statements of operations and comprehensive loss was as follows: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:45%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Cost of revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;191&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;104&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Sales and marketing&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;675&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,277&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;628&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Research and development&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;640&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;452&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,167&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;General and administrative&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,595&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;989&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,788&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total stock-based compensation expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,475&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;At &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, the total unrecognized stock-based compensation expense related to outstanding stock options was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$55.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, which is expected to be recognized over an estimated remaining weighted average period of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3.5 years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;At&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, the unrecognized stock-based compensation expense related to unvested awards of restricted stock was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$4.2 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, which is expected to be recognized over an estimated remaining period of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2.5 years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;At&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, the unrecognized stock-based compensation expense related to unvested restricted stock units was &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$15.8 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, which is expected to be recognized over an estimated remaining period of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2.1 years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Stock Options&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;A summary of our stock option activity is presented below:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:12pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="12"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:45%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands, except for per share data and years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Number&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;of Shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Exercise Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Weighted-Average Remaining Contractual Term (in years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Aggregate Intrinsic Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Outstanding at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;14,573&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4.38&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;8.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;77,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;14.91&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Exercised&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(486)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2.08&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Forfeited/canceled&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(480)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6.23&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Outstanding at June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;19,521&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7.58&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;8.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;168,503&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Exercisable at June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:3px double #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,462&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3.38&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;70,069&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;At &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, there were &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;19.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; stock options that were vested and expected to vest, with a weighted average exercise price of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$7.58 per share&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, a weighted average remaining contractual term of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;8.5 years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and an aggregate intrinsic value of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$168.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, we granted stock options to employees that vest over &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; to &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;four years&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and had a weighted average grant date fair value of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$6.73&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; per share. Estimating the fair value of stock options using the Black-Scholes option-pricing model require assumptions as to the fair value of our underlying common stock, the &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;estimated term of the option, the risk free interest rate, the expected volatility of the price of our common stock, and the expected dividend yield. The fair value of each stock option was estimated on the grant date based on the following assumptions:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.81481481481481%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="2"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:72%;"/&gt;&lt;td style="width:28%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Expected term (in years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Expected volatility&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;41.3% &#x2014; 43.3%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Risk-free interest rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2.7% &#x2014; 2.9%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Expected dividend yield&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Restricted Stock and Restricted Stock Units&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We did &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;no&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;t grant any restricted stock awards in the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, we granted &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; restricted stock units ("RSUs") with a weighted average grant date fair value of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$16.21&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; per share. The grant date fair value was based on the estimated fair value of our common stock on the date of grant. Compensation expense for the RSUs is recognized on a straight-line basis &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;background-color:#ffffff;"&gt;over the requisite service period as long as the performance condition in the form of a specified liquidity event is probable. As of&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;background-color:#ffffff;"&gt; &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;background-color:#ffffff;"&gt;June 30, 2018&lt;/span&gt;, the liquidity event was not probable, and no expense was recognized.</us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock>
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      id="TextSelection-2CEAB352916F9D8E917D3A609503CC04-0-wk-Fact-1299E63B06F5FB64364E3A62F32C56FB">Stock-based compensation expense included in the consolidated statements of operations and comprehensive loss was as follows: &lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:45%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Cost of revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;191&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;104&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Sales and marketing&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;675&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,277&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;628&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Research and development&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;640&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;452&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,167&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;General and administrative&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,595&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;989&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2,788&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total stock-based compensation expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,475&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span 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      id="TextSelection-38A9E17A6B072948BBE83A63DAEB3747-0-wk-Fact-D4EF5830F4527FC1BC9B3A648AFAA4E6">A summary of our stock option activity is presented below:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="12"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:45%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands, except for per share data and years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Number&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;of Shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Exercise Price&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Weighted-Average Remaining Contractual Term (in years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Aggregate Intrinsic Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Outstanding at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;14,573&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4.38&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;8.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;77,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;14.91&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Exercised&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(486)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;2.08&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:25px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Forfeited/canceled&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(480)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6.23&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:12pt;"&gt;&lt;span style="font-family:Arial;font-size:12pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Outstanding at June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;19,521&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7.58&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;8.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;168,503&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:5px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Exercisable at June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:3px double #000000;"&gt;&lt;div style="text-align:right;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,462&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3.38&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;padding-left:4px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" 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      id="d576689e1534-wk-Fact-72EAA1901507F101566857DDF7BB205B"
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    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
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      id="d576689e1563-wk-Fact-14E38B089421598E2AA457D38BEF2463">P8Y6M</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2>
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      id="d576689e1567-wk-Fact-4EAAA30528891FE535A87BFB2F98BE31"
      unitRef="usd">168500000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue>
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      id="d576689e1587-wk-Fact-1FF350CE5E52D771EA3F58A5C74B3A4A"
      unitRef="usdPerShare">6.73</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodIntrinsicValue>
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      id="TextSelection-20BDCAB02824ED5753063A64C92C7A8E-0-wk-Fact-ED549BB69526ED8A86F53A6507726331">The fair value of each stock option was estimated on the grant date based on the following assumptions:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.81481481481481%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="2"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:72%;"/&gt;&lt;td style="width:28%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Expected term (in years)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Expected volatility&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;41.3% &#x2014; 43.3%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Risk-free interest rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2.7% &#x2014; 2.9%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Expected dividend yield&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock>
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      id="d576689e1625-wk-Fact-E617BFB1CE2A8CD4844E43A0A7EDC5C7">P6Y3M18D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
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      id="d576689e1658-wk-Fact-AFE4F963AE1D90CB363943A39B7B70E8"
      unitRef="number">0</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="FD2018Q2YTD_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockMember"
      decimals="INF"
      id="d576689e1668-wk-Fact-F2A3A9B8A76CEF3342CD62C2051B17A1"
      unitRef="shares">0</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="FD2018Q2YTD_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember"
      decimals="-5"
      id="d576689e1683-wk-Fact-B053E7BE6B15362BA50943BAE0C1E57E"
      unitRef="shares">1000000.0</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodIntrinsicValue
      contextRef="FD2018Q2YTD_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember"
      decimals="2"
      id="d576689e1687-wk-Fact-5F8D22EC4E1215F1BB1043BF24E3BA8B"
      unitRef="usdPerShare">16.21</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodIntrinsicValue>
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      id="TextSelection-FE17F6016D903D91A1023A65B4D519CE-0-wk-Fact-EB819E7B59777C8F6BBE3A6649826468">Net Loss Per Share Attributable to Common Stockholders&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands, except per share data)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Net loss attributable to common stockholders&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(17,341&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(9,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(33,417&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(18,418&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;23,750&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;22,060&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;23,623&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;21,661&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Net loss per share attributable to common stockholders, basic and diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(0.73&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(0.43&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(1.41&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(0.85&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive: &lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="6"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:67%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three and Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Redeemable convertible preferred stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,386&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,386&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Stock options&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;19,521&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;13,939&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Restricted shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,088&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,583&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Restricted stock units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;971&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;76,966&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;70,908&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
      contextRef="FD2018Q2YTD"
      id="TextSelection-B0545836D6150E1C69033A66EA9E60D9-0-wk-Fact-95E4A2A484BFB5DB80043A677B553674">The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders: &lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands, except per share data)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Net loss attributable to common stockholders&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(17,341&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(9,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(33,417&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(18,418&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:20px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;23,750&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;22,060&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;23,623&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;21,661&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Net loss per share attributable to common stockholders, basic and diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(0.73&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(0.43&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(1.41&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(0.85&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
      contextRef="FD2018Q2QTD"
      decimals="-3"
      id="d565159e637-wk-Fact-C67E20F1604FF505BA3148D507E8DE7D"
      unitRef="usd">-17341000</us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
      contextRef="FD2017Q2QTD"
      decimals="-3"
      id="d565159e657-wk-Fact-30D421E43945402184B448D5093325BE"
      unitRef="usd">-9405000</us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
      contextRef="FD2018Q2YTD"
      decimals="-3"
      id="d565159e677-wk-Fact-2EDAE97E5FC38F8A9CA948D50A20F5FF"
      unitRef="usd">-33417000</us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic>
    <us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
      contextRef="FD2017Q2YTD"
      decimals="-3"
      id="d565159e698-wk-Fact-FA918E44003FD0979F9F48D50BE92306"
      unitRef="usd">-18418000</us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic>
    <us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted
      contextRef="FD2018Q2QTD"
      decimals="-3"
      id="d565159e796-wk-Fact-757F3C0B831C2806352748CF9043DC44"
      unitRef="shares">23750000</us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted>
    <us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted
      contextRef="FD2017Q2QTD"
      decimals="-3"
      id="d565159e815-wk-Fact-6D3A927E2DD4366C9C1E48CF903F59FD"
      unitRef="shares">22060000</us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted>
    <us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted
      contextRef="FD2018Q2YTD"
      decimals="-3"
      id="d565159e834-wk-Fact-E3057E29EA5CAA75702748CF904BE444"
      unitRef="shares">23623000</us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted>
    <us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted
      contextRef="FD2017Q2YTD"
      decimals="-3"
      id="d565159e854-wk-Fact-D64F92E71DC0BC0EDDAD48CF905356A6"
      unitRef="shares">21661000</us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted>
    <us-gaap:EarningsPerShareBasicAndDiluted
      contextRef="FD2018Q2QTD"
      decimals="2"
      id="d565159e879-wk-Fact-520DF9BF42A666E76F3548D1C4AB8C0D"
      unitRef="usdPerShare">-0.73</us-gaap:EarningsPerShareBasicAndDiluted>
    <us-gaap:EarningsPerShareBasicAndDiluted
      contextRef="FD2017Q2QTD"
      decimals="2"
      id="d565159e899-wk-Fact-A8336D70324007B4517D48D1C4B3DB6E"
      unitRef="usdPerShare">-0.43</us-gaap:EarningsPerShareBasicAndDiluted>
    <us-gaap:EarningsPerShareBasicAndDiluted
      contextRef="FD2018Q2YTD"
      decimals="2"
      id="d565159e919-wk-Fact-F063D5333B38255C3EEF48D1C4C775B5"
      unitRef="usdPerShare">-1.41</us-gaap:EarningsPerShareBasicAndDiluted>
    <us-gaap:EarningsPerShareBasicAndDiluted
      contextRef="FD2017Q2YTD"
      decimals="2"
      id="d565159e940-wk-Fact-F0DAAF5F4A9DE038CA0C48D1C4EE644C"
      unitRef="usdPerShare">-0.85</us-gaap:EarningsPerShareBasicAndDiluted>
    <us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
      contextRef="FD2018Q2YTD"
      id="TextSelection-A9480972207C736E9A6F3A67E5849715-0-wk-Fact-723F9364B5991BFAFABE3A6884CF7F1F">The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive: &lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="6"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:67%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three and Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Redeemable convertible preferred stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,386&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,386&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Stock options&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;19,521&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;13,939&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Restricted shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,088&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,583&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Restricted stock units&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;971&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;76,966&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;70,908&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="FD2018Q2QTD_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_us-gaap_RedeemableConvertiblePreferredStockMember"
      decimals="-3"
      id="d565159e1036-wk-Fact-9BE81D63524C405620F35850ED749662"
      unitRef="shares">55386000</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="FD2017Q2QTD_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_us-gaap_RedeemableConvertiblePreferredStockMember"
      decimals="-3"
      id="d565159e1050-wk-Fact-085BB057C5E15C1FDC895850EC7A8FE0"
      unitRef="shares">55386000</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="FD2018Q2QTD_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_us-gaap_EmployeeStockOptionMember"
      decimals="-3"
      id="d565159e1065-wk-Fact-E2576106D6E6E0BEAA7B5850ED7DF044"
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      id="TextSelection-CEF35CA08A7CCCDD0F6A3A6A996DCC6E-0-wk-Fact-0E3D3D4E27F16DD87D783A6C09C54A60">Geographic Information&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;We operate as &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;one&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; operating segment. Our chief executive officer, who is our chief operating decision maker, reviews financial information on a consolidated basis for purposes of making operating decisions, allocating resources, and evaluating financial performance.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Revenue by region, based on the address of the end user as specified in our subscription, license or service agreements, was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Americas&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;45,715&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;33,092&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;88,477&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,566&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Europe, Middle East and Africa&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,550&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;24,216&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;14,830&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Asia Pacific&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,327&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,259&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;10,006&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,234&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;44,149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;122,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;84,630&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Customers located in the United States accounted for &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;67%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;67%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;70%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;71%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of revenue in the &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;three and six months ended June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, respectively. No other country accounted for &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;10%&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; or more of revenue in the periods presented.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Our property and equipment, net by geographic area is summarized as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="8"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:75%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;United States&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,950&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,581&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;International&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4,173&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Property and equipment, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;11,240&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;10,754&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:SegmentReportingDisclosureTextBlock>
    <us-gaap:NumberOfOperatingSegments
      contextRef="FD2018Q2YTD"
      decimals="INF"
      id="d576094e436-wk-Fact-E9CCB84AE387BD7E233548B711918D88"
      unitRef="segment">1</us-gaap:NumberOfOperatingSegments>
    <us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock
      contextRef="FD2018Q2YTD"
      id="TextSelection-1064922F7E388D99F5E63A6C1F4851DF-0-wk-Fact-8254BFCAFE0F8A3934803A6C602E9D34">Revenue by region, based on the address of the end user as specified in our subscription, license or service agreements, was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Three Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Six Months Ended June 30,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Americas&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;45,715&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;33,092&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;88,477&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,566&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Europe, Middle East and Africa&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,550&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;7,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;24,216&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;14,830&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Asia Pacific&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;5,327&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;3,259&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;10,006&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,234&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;44,149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;122,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;84,630&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock>
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      id="d576094e736-wk-Fact-085FC92C876E2B50B6ED43E11ED94D00"
      unitRef="usd">7798000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="FD2018Q2YTD_srt_StatementGeographicalAxis_us-gaap_EMEAMember"
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      id="d576094e755-wk-Fact-0D20EC0EE8CEC02E7FB443E12100E88B"
      unitRef="usd">24216000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="FD2017Q2YTD_srt_StatementGeographicalAxis_us-gaap_EMEAMember"
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      id="d576094e775-wk-Fact-7EB7A28DAAF8F6E3EE6243E123A50176"
      unitRef="usd">14830000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="d576094e795-wk-Fact-4F287EF9888B6EBE678B43E12545192B"
      unitRef="usd">5327000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="FD2017Q2QTD_srt_StatementGeographicalAxis_srt_AsiaPacificMember"
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      id="d576094e814-wk-Fact-6BE5724F8D12AA8EEC7443E127CDFE2E"
      unitRef="usd">3259000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      contextRef="FD2018Q2YTD_srt_StatementGeographicalAxis_srt_AsiaPacificMember"
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      id="d576094e833-wk-Fact-C4649A516CBB01DCACBE43E12A98C581"
      unitRef="usd">10006000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="d576094e853-wk-Fact-3B681EF1BBCAE122D38943E12DCEE0D4"
      unitRef="usd">6234000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="d576094e897-wk-Fact-649FE39B05D50858E23F3ED6C45D9921"
      unitRef="usd">44149000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="d576094e916-wk-Fact-597C217A2A256ACFC0A93ED6C5F8E154"
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      id="d576094e936-wk-Fact-A231FEBE59CDEDD5C5293ED6C79D3EC5"
      unitRef="usd">84630000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
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      id="TextSelection-3B430F91DF9AFBFCAAF03A6CE17CED20-0-wk-Fact-1629978BFC35E9C66A703A6DD7359312">Our property and equipment, net by geographic area is summarized as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="8"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:75%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;United States&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,950&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;6,581&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;International&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4,173&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Property and equipment, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;11,240&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;10,754&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:LongLivedAssetsByGeographicAreasTableTextBlock>
    <us-gaap:PropertyPlantAndEquipmentNet
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      id="TextSelection-CB9DCAEAF3941BF4777C3A6E727786AD-0-wk-Fact-E1FB080B675C56544B8F3A6F08DF1F1A">Subsequent Events&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Initial Public Offering&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;On &lt;/span&gt;&lt;span style="font-family:Arial;"&gt;July 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;, we completed our IPO in which we issued and sold&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,535,000 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;of common stock at a price to the public of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$23.00&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;per share, including&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;1,635,000 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock purchased by our underwriters from the full exercise of their over-allotment option. None of our existing stockholders sold shares at the time of our IPO. We received net proceeds of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$265 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;after deducting underwriting discounts and commissions and other offering expenses. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Upon the completion of our IPO, all&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;15,847,500&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;shares of our Series A and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;39,538,354&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares of our Series B automatically converted into an aggregate of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,385,854 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of our common stock. Our newly-adopted Amended and &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Restated Certificate of Incorporation authorizes a total of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;500,000,000 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock and &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;10,000,000 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of preferred stock.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;The unaudited pro forma condensed consolidated balance sheet below is presented as if our IPO was completed on&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. It reflects (1) the issuance of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,535,000 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock for estimated net proceeds of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$265 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;and (2) the conversion of all our Series A and Series B into&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,385,854 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="12"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:62%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="11" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Actual&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Pro Forma Adjustments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Pro Forma&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total current assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;105,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;266,515&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;372,502&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total noncurrent assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(2,683&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;60,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;text-indent:13px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;169,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;263,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;433,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Liabilities, redeemable convertible preferred stock and stockholders' (deficit) equity &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;289,968&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(1,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;288,800&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Redeemable convertible Series A preferred stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;49,946&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(49,946&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Redeemable convertible Series B preferred stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;228,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(228,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Stockholders' (deficit) equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;679&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;929&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Additional paid-in capital&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;26,651&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;542,435&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;569,086&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Accumulated deficit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(425,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(425,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total stockholders' (deficit) equity &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(398,724&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;543,114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;144,390&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total liabilities, redeemable convertible preferred stock and stockholders' (deficit) equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;169,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;263,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;433,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;Stock-Based Compensation&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Compensation expense for our RSUs is recognized on a straight-line basis &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;background-color:#ffffff;"&gt;over the requisite service period as long as the performance condition in the form of a specified liquidity event is deemed probable. In July 2018, in connection with the completion of our IPO, we determined that the performance condition was probable and&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;we recorded cumulative stock-based compensation expense of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$0.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. The remaining unrecognized stock-based compensation expense of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$15.1 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; related to the RSUs will be recorded over the remaining requisite service period.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-align:left;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;2018 Equity Incentive Plan&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In June 2018 our board of directors adopted, and in July 2018 our stockholders approved, our 2018 Equity Incentive Plan ("2018 Plan"), which reserves &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;9.9 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; shares of our common stock that may be issued as stock-based awards. The 2018 Plan became effective upon the execution of the underwriting agreement related to our IPO, at which point no further grants were made under our 2016 Plan. Any shares subject to stock options or other stock awards granted under our 2016 Plan, 2012 Stock Incentive Plan or 2002 Stock Incentive Plan that would have otherwise returned to such plan (such as upon the expiration or termination of a stock award prior to vesting) were added to, and are available for issuance under, our 2018 Plan. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-bottom:16px;text-indent:24px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:bold;"&gt;2018 Employee Stock Purchase Plan&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;In June 2018 our board of directors adopted, and in July 2018 our stockholders approved, our 2018 Employee Stock Purchase Plan ("2018 ESPP"), which reserves &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;4.0 million&lt;/span&gt;&lt;/span&gt; shares of our common stock for issuance under the 2018 ESPP. 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      id="TextSelection-0100D3FF8313A3AAE6F13A6F6F5B41DB-0-wk-Fact-EB6A3B8728B615FFBB453A728AD9ED3E">The unaudited pro forma condensed consolidated balance sheet below is presented as if our IPO was completed on&#160;&lt;span style="font-family:Arial;font-size:10pt;"&gt;June 30, 2018&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;. It reflects (1) the issuance of &lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;12,535,000 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock for estimated net proceeds of&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;$265 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&#160;and (2) the conversion of all our Series A and Series B into&#160;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;55,385,854 shares&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt; of common stock:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="12"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:62%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="11" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;June&#160;30, 2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;(in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Actual&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Pro Forma Adjustments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Pro Forma&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total current assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;105,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;266,515&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;372,502&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total noncurrent assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;63,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(2,683&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;60,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;text-indent:13px;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;169,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;263,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;433,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:9pt;"&gt;&lt;span style="font-family:Arial;font-size:9pt;font-weight:bold;"&gt;Liabilities, redeemable convertible preferred stock and stockholders' (deficit) equity &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;289,968&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(1,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;288,800&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Redeemable convertible Series A preferred stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;49,946&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(49,946&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Redeemable convertible Series B preferred stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;228,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(228,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Stockholders' (deficit) equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;679&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;929&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Additional paid-in capital&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;26,651&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;542,435&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;569,086&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Accumulated deficit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(425,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(425,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total stockholders' (deficit) equity &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;(398,724&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;543,114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;144,390&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;Total liabilities, redeemable convertible preferred stock and stockholders' (deficit) equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;169,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;263,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:10pt;"&gt;&lt;span style="font-family:Arial;font-size:10pt;"&gt;&lt;span&gt;433,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</tenb:SaleOfStockProFormaInformationTableTextBlock>
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