Tableau Software 10-Q 9 Nov 15 2015 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information Statement - shares	9 Months Ended
	Sep. 30, 2015	Nov. 04, 2015
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	Q3
Entity Registrant Name	TABLEAU SOFTWARE INC
Entity Central Index Key	1,303,652
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		52,535,918
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		19,895,750

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 750,191	$ 680,613
Accounts receivable, net of allowance for doubtful accounts of $1,056 and $1,111	114,826	99,910
Prepaid expenses and other current assets	18,755	10,777
Income taxes receivable	207	229
Deferred income taxes	26,458	18,732
Total current assets	910,437	810,261
Property and equipment, net	66,587	45,627
Deferred income taxes	6,001	5,879
Deposits and other assets	9,756	3,895
Total assets	992,781	865,662
Current liabilities
Accounts payable	5,710	1,978
Accrued compensation and employee related benefits	41,268	40,164
Other accrued Liabilities	37,302	15,769
Income taxes payable	505	378
Deferred revenue	153,962	121,985
Total current liabilities	238,747	180,274
Deferred revenue	11,978	7,825
Other long-term liabilities	9,614	5,557
Total liabilities	$ 260,339	$ 193,656
Commitments and contingencies (Note 6)
Stockholders' equity
Preferred stock	$ 0	$ 0
Additional paid-in capital	763,742	660,668
Accumulated other comprehensive income (loss)	(119)	140
Retained earnings (accumulated deficit)	(31,188)	11,191
Total stockholders' equity	732,442	672,006
Total liabilities and stockholders' equity	992,781	865,662
Common Class B [Member]
Stockholders' equity
Common Stock	2	2
Common Class A [Member]
Stockholders' equity
Common Stock	$ 5	$ 5

Condensed Consolidated Balance3

Condensed Consolidated Balance Sheets Balance Sheet Parenthetical - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Preferred stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Allowance for Doubtful Accounts Receivable	$ 1,056	$ 1,111
Common Class B [Member]
Common stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Common Stock, shares authorized	75,000,000	75,000,000
Common Stock, shares issued	19,895,750	22,620,509
Common stock, shares outstanding	19,895,750	22,620,509
Common Class A [Member]
Common stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Common Stock, shares authorized	750,000,000	750,000,000
Common Stock, shares issued	52,526,259	47,247,710
Common stock, shares outstanding	52,526,259	47,247,710

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues
License		$ 109,468	$ 69,763	$ 290,629	$ 178,562
Maintenance and services		61,364	34,706	160,208	91,131
Total revenues		170,832	104,469	450,837	269,693
Cost of revenues
License		988	273	2,337	568
Maintenance and services		18,888	9,268	49,713	24,806
Total cost of revenues	[1]	19,876	9,541	52,050	25,374
Gross profit		150,956	94,928	398,787	244,319
Operating expenses
Sales and marketing	[1]	91,589	58,565	248,840	147,936
Research and development	[1]	54,960	29,022	144,143	77,186
General and administrative	[1]	17,584	11,111	50,753	28,953
Total operating expenses		164,133	98,698	443,736	254,075
Operating loss		(13,177)	(3,770)	(44,949)	(9,756)
Other income (expense), net		217	353	1,404	(163)
Loss before income tax expense (benefit)		(12,960)	(3,417)	(43,545)	(9,919)
Income tax expense (benefit)		413	1,214	(1,166)	4,915
Net loss		$ (13,373)	$ (4,631)	$ (42,379)	$ (14,834)
Net loss per share:
Basic (in usd per share)		$ (0.19)	$ (0.07)	$ (0.59)	$ (0.22)
Diluted (in usd per share)		$ (0.19)	$ (0.07)	$ (0.59)	$ (0.22)
Weighted average shares used to compute net loss per share:
Weighted average shares used to compute net loss per share, basic and diluted		72,089	68,966	71,341	66,923
[1]	Includes stock-based compensation expense as follows:Cost of revenues for the three months ended September 30, 2015 and 2014 were $1,856 and $614. Sales and marketing expenses for the three months ended September 30, 2015 and 2014 were $11,966 and $4,810. Research and development expenses for the three months ended September 30, 2015 and 2014 were $14,826 and $5,550. General and administrative expenses for the three months ended September 30, 2015 and 2014 were $2,925 and $1,539. Cost of revenues for the nine months ended September 30, 2015 and 2014 were $4,804 and $1,457. Sales and marketing expenses for the nine months ended September 30, 2015 and 2014 were $31,265 and $12,271. Research and development expenses for the nine months ended September 30, 2015 and 2014 were $37,374 and $13,771. General and administrative expenses for the nine months ended September 30, 2015 and 2014 were $8,834 and $4,025.

Condensed Consolidated Stateme5

Condensed Consolidated Statements of Operations Parenthetical - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Cost of revenues
Stock-based Compensation Expense	$ 1,856	$ 614	$ 4,804	$ 1,457
Sales and marketing
Stock-based Compensation Expense	11,966	4,810	31,265	12,271
Research and development
Stock-based Compensation Expense	14,826	5,550	37,374	13,771
General and administrative
Stock-based Compensation Expense	$ 2,925	$ 1,539	$ 8,834	$ 4,025

Condensed Consolidated Stateme6

Condensed Consolidated Statements of Comprehensive Loss Statement - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net loss	$ (13,373)	$ (4,631)	$ (42,379)	$ (14,834)
Other comprehensive income (loss):
Foreign currency translation, net	(584)	117	(259)	220
Comprehensive loss	$ (13,957)	$ (4,514)	$ (42,638)	$ (14,614)

Condensed Consolidated Stateme7

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities
Net loss	$ (42,379)	$ (14,834)
Adjustments to reconcile net loss to net cash provided by operating activities
Depreciation and amortization expense	16,221	9,473
Stock-based compensation expense	82,277	31,524
Excess tax benefit from stock-based compensation	(4,688)	(3,758)
Deferred income taxes	(3,132)	3,532
Changes in operating assets and liabilities
Accounts receivable, net	(16,509)	(7,424)
Prepaid expenses, deposits and other assets	(13,166)	(2,910)
Income taxes receivable	21	(61)
Deferred revenue	37,807	32,232
Accounts payable and accrued liabilities	26,612	9,102
Income taxes payable	157	66
Net cash provided by operating activities	83,221	56,942
Investing activities
Purchases of property and equipment	(32,792)	(26,588)
Sale of property and equipment	0	1,694
Other investing activities	(1,000)	0
Net cash used in investing activities	(33,792)	(24,894)
Financing activities
Proceeds from public offering, net of underwriters' discount and offering costs	0	344,077
Proceeds from exercise of stock options	16,110	12,714
Excess tax benefit from stock-based compensation	4,688	3,758
Net cash provided by financing activities	20,798	360,549
Effect of exchange rate changes on cash and cash equivalents	(649)	(755)
Net increase in cash and cash equivalents	69,578	391,842
Cash and cash equivalents
Beginning of period	680,613	252,674
End of period	750,191	644,516
Non-cash activities
Accrued purchases of property and equipment	8,937	3,649
Asset retirement obligations recognized	447	667
Property and equipment acquired under build-to-suit lease	0	11,600
Property and equipment sold in sale-leaseback transaction	$ 0	$ 11,600

Description of Business

Description of Business	9 Months Ended
	Sep. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Description of Business Tableau Software, Inc., a Delaware corporation, and its wholly-owned subsidiaries (the "Company," "we," "us" or "our") are headquartered in Seattle, Washington. Our software products put the power of data into the hands of everyday people, allowing a broad population of business users to engage with their data, ask questions, solve problems and create value. Based on innovative core technologies originally developed at Stanford University, our products dramatically reduce the complexity, inflexibility and expense associated with traditional business intelligence applications. We currently make five key products: Tableau Desktop, a self-service, powerful analytics product for anyone with data; Tableau Server, a business intelligence platform for organizations; Tableau Online, a cloud-based hosted version of Tableau Server; Tableau Public, a free cloud-based platform for analyzing and sharing public data; and Vizable, a free iOS application used to easily analyze data on a tablet.

Summary of Significant Accounti

Summary of Significant Accounting Policies	9 Months Ended
	Sep. 30, 2015
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Basis of Presentation The accompanying unaudited condensed consolidated financial information has been prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and applicable rules and regulations of the Securities and Exchange Commission ("SEC") regarding interim financial reporting. Certain information and note disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. The condensed consolidated balance sheet data as of December 31, 2014 was derived from audited financial statements, but does not include all disclosures required by GAAP. The condensed consolidated financial information should be read in conjunction with the consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 filed with the SEC on February 27, 2015. In the opinion of management, the accompanying unaudited condensed consolidated financial information includes all normal recurring adjustments necessary for a fair statement of the Company's financial position, results of operations, comprehensive loss and cash flows for the interim periods, but is not necessarily indicative of the results that may be expected for the year ending December 31, 2015 . All intercompany accounts and transactions have been eliminated in consolidation. Reclassification In the condensed consolidated statement of cash flows, certain prior year amounts have been reclassified to conform to the current year presentation. There was no change to the net cash flows from operating, investing, or financing activities as a result of the reclassification. Public Offering In March 2014, we closed a follow-on public offering, in which we sold 4,000,000 shares of our Class A common stock at a price to the public of $89.25 per share. The aggregate offering price for shares sold in the offering was approximately $344.1 million, net of underwriters' discounts and commissions, and offering expenses. Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. These estimates include depreciable lives for property and equipment, stock-based compensation, income taxes, accrued liabilities, and collectability of accounts receivable. Actual results could differ from those estimates. Risks and Uncertainties Inherent in our business are various risks and uncertainties, including our limited history operating our business at its current scale and development of advanced technologies in a rapidly changing industry. These risks include our ability to manage our rapid growth and our ability to attract new customers and expand sales to existing customers, as well as other risks and uncertainties. In the event that we do not successfully implement our business plan, certain assets may not be recoverable, certain liabilities may not be paid and investments in our capital stock may not be recoverable. Our success depends upon the acceptance of our technology, development of sales and distribution channels, and our ability to generate significant revenues from the sale of our technology. Segments We follow the authoritative literature that established annual and interim reporting standards for an enterprise’s operating segments and related disclosures about its products and services, geographic regions and major customers. We operate our business as one operating segment. Our chief operating decision makers are our Chief Executive Officer and Chief Financial Officer, who review financial information presented on a consolidated basis for purposes of making operating decisions, assessing financial performance and allocating resources. Concentrations of Risk Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable. We extend credit to customers based upon an evaluation of the customer’s financial condition and generally collateral is not required. As of September 30, 2015 and December 31, 2014 , no individual customer accounted for 10% or more of total accounts receivable. For the three and nine months ended September 30, 2015 and 2014 , no individual customer represented 10% or more of our total revenues. Recent Accounting Pronouncements In May 2014, as part of its ongoing efforts to assist in the convergence of GAAP and International Financial Reporting Standards ("IFRS"), the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09 related to revenue recognition. The new guidance sets forth a new five-step revenue recognition model that replaces the prior revenue recognition guidance in its entirety and is intended to eliminate numerous industry-specific pieces of revenue recognition guidance that have historically existed in GAAP. The underlying principle of the new standard is that a business or other organization will recognize revenue 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. ASU 2014-09 provides retrospective or modified prospective methods of initial adoption and is effective for annual periods beginning after December 15, 2017 and interim periods within those annual periods. Early adoption is permitted for annual periods beginning after December 15, 2016 and interim periods within those annual periods. We are currently evaluating the method of adoption and the impact that this standard will have on our consolidated financial statements. In August 2014, the FASB issued ASU 2014-15 related to status as a going concern. The new guidance explicitly requires that management assess an entity's ability to continue as a going concern and may require additional detailed disclosures. ASU 2014-15 is effective for annual periods beginning after December 15, 2016 and interim periods within those annual periods. Though permitted, we do not plan to early adopt. We do not believe that this standard will have an impact on our consolidated financial statements. In April 2015, the FASB issued ASU 2015-05 related to a customer's accounting for fees paid in a cloud computing arrangement. The new guidance requires that management evaluate each cloud computing arrangement in order to determine whether it includes a software license that must be accounted for separately from hosted services. ASU 2015-05 applies the same guidance cloud service providers use to make this determination and also eliminates the existing requirement for customers to account for software licenses they acquire by analogizing to the guidance on leases. ASU 2015-05 is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2015 and provides the option of applying the guidance prospectively to all arrangements entered into or materially modified after the effective date or on a retrospective basis. Early adoption is permitted. We plan to adopt this standard prospectively and are currently evaluating the impact that this standard will have on our consolidated financial statements.

Stockholders' Equity

Stockholders' Equity	9 Months Ended
	Sep. 30, 2015
Equity [Abstract]
Stockholders' Equity	Stockholders' Equity Common Stock Our certificate of incorporation, as amended and restated, authorizes us to issue 75,000,000 shares of Class B common stock, $0.0001 par value per share, and 750,000,000 shares of Class A common stock, $0.0001 par value per share. The rights of the holders of Class A and Class B common stock are identical, except with respect to voting and conversion. Each holder of Class B common stock is entitled to ten votes per share and each holder of Class A common stock is entitled to one vote per share. Shares of Class B common stock may be converted into Class A common stock at any time at the option of the stockholder, and are automatically converted upon sale or transfer to Class A common stock, subject to certain limited exceptions. At its discretion, the board of directors may declare dividends on shares of common stock, subject to the rights of our preferred stockholders, if any. Upon liquidation or dissolution, holders of common stock will receive distributions only after preferred stock preferences have been satisfied. Preferred Stock Our certificate of incorporation, as amended and restated, authorizes us to issue 10,000,000 shares of preferred stock at $0.0001 par value per share. Our board of directors has the authority to provide for the issuance of all the shares in one or more series. At its discretion, our board of directors may designate the voting rights and preferences of the preferred stock.

Stock-Based Compensation

Stock-Based Compensation	9 Months Ended
	Sep. 30, 2015
Share-based Compensation [Abstract]
Stock-Based Compensation	Stock-Based Compensation Our 2004 Equity Incentive Plan (the "2004 Plan") authorizes the granting of options to purchase shares of our Class B common stock, restricted stock units ("RSUs") and other stock-based awards to our employees, consultants, officers and directors. Our 2013 Equity Incentive Plan (the "2013 Plan" and, together with the 2004 Plan, the "Plans"), which was a successor to our 2004 Plan, authorizes the granting of options to purchase shares of our Class A common stock, RSUs and other stock-based awards to our employees, consultants, officers and directors. Options granted under the Plans may be incentive or nonstatutory stock options. Incentive stock options may only be granted to employees. The term of each option is stated in the award agreement, but shall be no more than ten years from the date of grant. Options typically vest over a period of four years. A summary of the option activity under the Plans during the nine months ended September 30, 2015 follows: Options Outstanding Shares Weighted Average Exercise Price Per Share Weighted Average Remaining Contractual Term Aggregate Intrinsic Value (in years) (in thousands) Balances at December 31, 2014 8,515,879 $ 8.76 Options exercised (1,964,101 ) 8.20 Options canceled (26 ) 12.78 Options forfeited (93,442 ) 14.06 Balances at September 30, 2015 6,458,310 $ 8.86 6.26 $ 458,055 Vested and expected to vest at September 30, 2015 6,425,093 $ 8.82 6.26 $ 455,917 Exercisable at September 30, 2015 4,632,968 $ 7.45 5.91 $ 335,120 RSUs entitle the holder to receive shares of Class A common stock as the award vests. RSUs typically vest over a period of four years. The fair value of an RSU is determined by using the closing price of our Class A common stock as reported on the New York Stock Exchange on the date of grant. The Company's non-vested RSUs do not have nonforfeitable rights to dividends or dividend equivalents. A summary of the RSU activity under the 2013 Plan during the nine months ended September 30, 2015 follows: Number of Shares Underlying Outstanding RSUs Weighted-Average Grant-Date Fair Value per RSU Non-Vested outstanding at December 31, 2014 2,818,661 $ 77.77 RSUs granted 2,887,906 103.68 RSUs vested (589,689 ) 76.30 RSUs forfeited (144,097 ) 84.19 Non-Vested outstanding at September 30, 2015 4,972,781 $ 92.80 Stock-based compensation expense is amortized using the straight-line method over the requisite service period. As of September 30, 2015 , total unrecognized compensation expense, adjusted for estimated forfeitures, related to stock options and non-vested RSUs was approximately $393.9 million which is expected to be recognized over a period of 3.2 years . The summary of shares available for issuance of equity based awards (including stock options and RSUs) during the nine months ended September 30, 2015 is as follows: Shares Available for Grant Balance at December 31, 2014 6,229,892 Authorized 3,493,410 Granted (2,887,906 ) Canceled 26 Forfeited 237,539 Balance at September 30, 2015 7,072,961

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Our provision for income taxes for interim periods is determined using an estimate of our annual effective tax rate and adjusted for discrete items, if any, in the relevant period. Each quarter we update our estimate of the annual effective tax rate, and if our estimated tax rate changes, we make a cumulative adjustment. Our effective tax rate is impacted by and differs from the federal statutory rate primarily due to non-deductible stock-based compensation and the adverse effect of losses incurred in certain foreign jurisdictions for which we do not realize a tax benefit. Our effective tax rate may also be adversely impacted by the amount of our income (loss) before income tax expense (benefit) relative to our income tax expense, non-deductible expenses and changes in tax law such as the expiration of the U.S. federal research and development credit at the end of 2014. Our effective tax rate was (3.2)% and (35.5)% for the three months ended September 30, 2015 and 2014 , and 2.7% and (49.6)% for the nine months ended September 30, 2015 and 2014 , respectively. The difference in the effective tax rates between the nine month periods is attributable to the change in the relationship between non-deductible tax items and the loss before income tax expense (benefit). These non-deductible tax items primarily include stock-based compensation and meals and entertainment expenses. The impact of adjustments to our effective tax rate for discrete items and non-deductible expenses is greater in periods close to break-even. During the nine months ended September 30, 2015 , we recognized an income tax benefit of $1.2 million , which primarily includes $1.7 million of discrete tax benefits relating to disqualifying dispositions on incentive stock options. During the nine months ended September 30, 2014 , we recognized an income tax expense of $4.9 million , which included $1.3 million of discrete tax benefits relating to disqualifying dispositions on incentive stock options. As of September 30, 2015 we are under audit by the Internal Revenue Service ("IRS") for taxable years 2012 and 2013. Subsequent to the balance sheet date on October 27, 2015, the Company received a notice that the IRS has completed its examination for these tax years which resulted in no financial statement impact to the Company. On July 27, 2015, the U.S. Tax Court issued an opinion related to litigation in Altera Corp v. Commissioner . This litigation relates to the treatment of stock-based compensation expense in an intercompany cost sharing arrangement with one of Altera's foreign subsidiaries. In its opinion, the U.S. Tax Court invalidated the portion of the Treasury regulations requiring the inclusion of stock-based compensation expense in such inter-company cost-sharing arrangements. The final resolution of this litigation remains uncertain as the IRS could appeal the U.S. Tax Court's decision. Therefore, for the nine months ended September 30, 2015, the Company has not recorded any potentially favorable benefit related to the current or prior periods. The Company will continue to monitor developments related to this case and the potential impact of those developments on our current and future financial statements.

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
	Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies As of September 30, 2015 , our principal obligations consisted of obligations outstanding under non-cancellable operating leases that expire at various dates through 2029. The following table represents our non-cancellable minimum lease payments remaining as of September 30, 2015 (in thousands): Period Ending Amount Remainder of 2015 $ 4,816 2016 21,893 2017 26,307 2018 33,981 2019 32,847 Thereafter 204,403 Total $ 324,247 During the third quarter, we entered into long-term contractual obligations, in the ordinary course of business, for which we have not received the services. As of September 30, 2015 the commitment remaining was approximately $12.2 million , of which $8.4 million is due within one year and $3.8 million is due within one to three years. We are subject to certain routine legal proceedings, as well as demands and claims that arise in the normal course of our business. We make a provision for a liability relating to legal matters when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated. These provisions are reviewed and adjusted to reflect the impacts of negotiations, estimated settlements, legal rulings, advice of legal counsel and other information and events pertaining to a particular matter. We are not aware of any pending legal proceedings that we believe, individually or in the aggregate, would be expected to have a material adverse effect on our business, operating results, or financial condition. We may in the future be party to litigation arising in the ordinary course of business, including claims that we allegedly infringe upon third party intellectual property rights. Such claims, even if not meritorious, could result in the expenditure of significant financial and management resources.

Segments and Information about

Segments and Information about Revenues by Geographic Region	9 Months Ended
	Sep. 30, 2015
Segment Reporting [Abstract]
Segments and Information about Revenues by Geographic Area	Segments and Information about Revenues by Geographic Area The following table presents our revenues by geographic region of end users who purchased products or services for the periods presented below: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (in thousands) United States and Canada $ 128,667 $ 80,360 $ 340,229 $ 208,730 International 42,165 24,109 110,608 60,963 Total revenues $ 170,832 $ 104,469 $ 450,837 $ 269,693

Net Income (Loss) Per Share

Net Income (Loss) Per Share	9 Months Ended
	Sep. 30, 2015
Earnings Per Share [Abstract]
Net Income (Loss) Per Share	Net Income (Loss) Per Share The following table presents the computation of basic and diluted net loss per share: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (in thousands, except per share amounts) Net loss per share - basic and diluted Net loss $ (13,373 ) $ (4,631 ) $ (42,379 ) $ (14,834 ) Weighted average shares used to compute basic and diluted net loss per share 72,089 68,966 71,341 66,923 Net loss per share - basic and diluted $ (0.19 ) $ (0.07 ) $ (0.59 ) $ (0.22 ) The following shares subject to outstanding awards were excluded from the computation of diluted net loss per share for the periods presented as their effect would have been antidilutive: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (in thousands) Shares subject to outstanding common stock awards 11,431 11,253 11,431 11,253

Fair Value Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2015
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements We categorize assets and liabilities recorded at fair value based upon the level of judgment associated with inputs used to measure their fair value. The levels of the fair value hierarchy are as follows: • Level 1—Inputs are unadjusted quoted prices in active markets for identical assets or liabilities. • Level 2—Inputs are quoted prices for similar assets and liabilities in active markets or quoted prices for identical or similar instruments in markets that are not active and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets. • Level 3—Inputs are unobservable inputs based on our own assumptions and valuation techniques used to measure assets and liabilities at fair value. The inputs require significant management judgment or estimation. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of fair value assets and liabilities and their placement within the fair value hierarchy levels. The following table presents the fair value of our financial assets using the fair value hierarchy: September 30, 2015 Description Level 1 Level 2 Level 3 Total (in thousands) Money market funds $ 698,773 $ — $ — $ 698,773 December 31, 2014 Description Level 1 Level 2 Level 3 Total (in thousands) Money market funds $ 667,210 $ — $ — $ 667,210 We have no material financial assets or liabilities measured using Level 2 or Level 3 inputs.

Subsequent Events Subsequent Ev

Subsequent Events Subsequent Events	9 Months Ended
	Sep. 30, 2015
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In October 2015, the Company entered into three office lease agreements with additional aggregate annual minimum lease payments of approxima tely $8.8 million , subject to annual increases ranging from 0% to 4% . These office lease agreements include lease terms ranging from 4 to 11 years.

Summary of Significant Accoun18

Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2015
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited condensed consolidated financial information has been prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and applicable rules and regulations of the Securities and Exchange Commission ("SEC") regarding interim financial reporting. Certain information and note disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. The condensed consolidated balance sheet data as of December 31, 2014 was derived from audited financial statements, but does not include all disclosures required by GAAP. The condensed consolidated financial information should be read in conjunction with the consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2014 filed with the SEC on February 27, 2015. In the opinion of management, the accompanying unaudited condensed consolidated financial information includes all normal recurring adjustments necessary for a fair statement of the Company's financial position, results of operations, comprehensive loss and cash flows for the interim periods, but is not necessarily indicative of the results that may be expected for the year ending December 31, 2015 . All intercompany accounts and transactions have been eliminated in consolidation.
Reclassification	Reclassification In the condensed consolidated statement of cash flows, certain prior year amounts have been reclassified to conform to the current year presentation. There was no change to the net cash flows from operating, investing, or financing activities as a result of the reclassification.
Pubic Offering	Public Offering In March 2014, we closed a follow-on public offering, in which we sold 4,000,000 shares of our Class A common stock at a price to the public of $89.25 per share. The aggregate offering price for shares sold in the offering was approximately $344.1 million, net of underwriters' discounts and commissions, and offering expenses.
Use of Estimates	Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. These estimates include depreciable lives for property and equipment, stock-based compensation, income taxes, accrued liabilities, and collectability of accounts receivable. Actual results could differ from those estimates.
Risk And Uncertainties	Risks and Uncertainties Inherent in our business are various risks and uncertainties, including our limited history operating our business at its current scale and development of advanced technologies in a rapidly changing industry. These risks include our ability to manage our rapid growth and our ability to attract new customers and expand sales to existing customers, as well as other risks and uncertainties. In the event that we do not successfully implement our business plan, certain assets may not be recoverable, certain liabilities may not be paid and investments in our capital stock may not be recoverable. Our success depends upon the acceptance of our technology, development of sales and distribution channels, and our ability to generate significant revenues from the sale of our technology.
Segments	Segments We follow the authoritative literature that established annual and interim reporting standards for an enterprise’s operating segments and related disclosures about its products and services, geographic regions and major customers. We operate our business as one operating segment. Our chief operating decision makers are our Chief Executive Officer and Chief Financial Officer, who review financial information presented on a consolidated basis for purposes of making operating decisions, assessing financial performance and allocating resources.
Concentrations of Risk	Concentrations of Risk Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable. We extend credit to customers based upon an evaluation of the customer’s financial condition and generally collateral is not required. As of September 30, 2015 and December 31, 2014 , no individual customer accounted for 10% or more of total accounts receivable. For the three and nine months ended September 30, 2015 and 2014 , no individual customer represented 10% or more of our total revenues.
Recent Accounting Pronouncements	Recent Accounting Pronouncements In May 2014, as part of its ongoing efforts to assist in the convergence of GAAP and International Financial Reporting Standards ("IFRS"), the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09 related to revenue recognition. The new guidance sets forth a new five-step revenue recognition model that replaces the prior revenue recognition guidance in its entirety and is intended to eliminate numerous industry-specific pieces of revenue recognition guidance that have historically existed in GAAP. The underlying principle of the new standard is that a business or other organization will recognize revenue 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. ASU 2014-09 provides retrospective or modified prospective methods of initial adoption and is effective for annual periods beginning after December 15, 2017 and interim periods within those annual periods. Early adoption is permitted for annual periods beginning after December 15, 2016 and interim periods within those annual periods. We are currently evaluating the method of adoption and the impact that this standard will have on our consolidated financial statements. In August 2014, the FASB issued ASU 2014-15 related to status as a going concern. The new guidance explicitly requires that management assess an entity's ability to continue as a going concern and may require additional detailed disclosures. ASU 2014-15 is effective for annual periods beginning after December 15, 2016 and interim periods within those annual periods. Though permitted, we do not plan to early adopt. We do not believe that this standard will have an impact on our consolidated financial statements. In April 2015, the FASB issued ASU 2015-05 related to a customer's accounting for fees paid in a cloud computing arrangement. The new guidance requires that management evaluate each cloud computing arrangement in order to determine whether it includes a software license that must be accounted for separately from hosted services. ASU 2015-05 applies the same guidance cloud service providers use to make this determination and also eliminates the existing requirement for customers to account for software licenses they acquire by analogizing to the guidance on leases. ASU 2015-05 is effective for annual periods, including interim periods within those annual periods, beginning after December 15, 2015 and provides the option of applying the guidance prospectively to all arrangements entered into or materially modified after the effective date or on a retrospective basis. Early adoption is permitted. We plan to adopt this standard prospectively and are currently evaluating the impact that this standard will have on our consolidated financial statements.

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	9 Months Ended
	Sep. 30, 2015
Share-based Compensation [Abstract]
Summary of Option Activity	A summary of the option activity under the Plans during the nine months ended September 30, 2015 follows: Options Outstanding Shares Weighted Average Exercise Price Per Share Weighted Average Remaining Contractual Term Aggregate Intrinsic Value (in years) (in thousands) Balances at December 31, 2014 8,515,879 $ 8.76 Options exercised (1,964,101 ) 8.20 Options canceled (26 ) 12.78 Options forfeited (93,442 ) 14.06 Balances at September 30, 2015 6,458,310 $ 8.86 6.26 $ 458,055 Vested and expected to vest at September 30, 2015 6,425,093 $ 8.82 6.26 $ 455,917 Exercisable at September 30, 2015 4,632,968 $ 7.45 5.91 $ 335,120
Summary of RSU Activity	A summary of the RSU activity under the 2013 Plan during the nine months ended September 30, 2015 follows: Number of Shares Underlying Outstanding RSUs Weighted-Average Grant-Date Fair Value per RSU Non-Vested outstanding at December 31, 2014 2,818,661 $ 77.77 RSUs granted 2,887,906 103.68 RSUs vested (589,689 ) 76.30 RSUs forfeited (144,097 ) 84.19 Non-Vested outstanding at September 30, 2015 4,972,781 $ 92.80
Summary of shares available for grant	The summary of shares available for issuance of equity based awards (including stock options and RSUs) during the nine months ended September 30, 2015 is as follows: Shares Available for Grant Balance at December 31, 2014 6,229,892 Authorized 3,493,410 Granted (2,887,906 ) Canceled 26 Forfeited 237,539 Balance at September 30, 2015 7,072,961

Commitments and Contigencies (T

Commitments and Contigencies (Tables)	9 Months Ended
	Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Future Minimum Lease Payments	The following table represents our non-cancellable minimum lease payments remaining as of September 30, 2015 (in thousands): Period Ending Amount Remainder of 2015 $ 4,816 2016 21,893 2017 26,307 2018 33,981 2019 32,847 Thereafter 204,403 Total $ 324,247

Segments and Information abou21

Segments and Information about Revenues by Geographic Region (Tables)	9 Months Ended
	Sep. 30, 2015
Segment Reporting [Abstract]
Reconciliation of Revenue from Segments to Consolidated	The following table presents our revenues by geographic region of end users who purchased products or services for the periods presented below: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (in thousands) United States and Canada $ 128,667 $ 80,360 $ 340,229 $ 208,730 International 42,165 24,109 110,608 60,963 Total revenues $ 170,832 $ 104,469 $ 450,837 $ 269,693

Net Income (Loss) Per Share (Ta

Net Income (Loss) Per Share (Tables)	9 Months Ended
	Sep. 30, 2015
Earnings Per Share [Abstract]
Schedule of Computation of Earnings Per Share, Basic and Diluted	The following table presents the computation of basic and diluted net loss per share: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (in thousands, except per share amounts) Net loss per share - basic and diluted Net loss $ (13,373 ) $ (4,631 ) $ (42,379 ) $ (14,834 ) Weighted average shares used to compute basic and diluted net loss per share 72,089 68,966 71,341 66,923 Net loss per share - basic and diluted $ (0.19 ) $ (0.07 ) $ (0.59 ) $ (0.22 )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share	The following shares subject to outstanding awards were excluded from the computation of diluted net loss per share for the periods presented as their effect would have been antidilutive: Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 (in thousands) Shares subject to outstanding common stock awards 11,431 11,253 11,431 11,253

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2015
Fair Value Disclosures [Abstract]
Fair Value of Financial Assets	The following table presents the fair value of our financial assets using the fair value hierarchy: September 30, 2015 Description Level 1 Level 2 Level 3 Total (in thousands) Money market funds $ 698,773 $ — $ — $ 698,773 December 31, 2014 Description Level 1 Level 2 Level 3 Total (in thousands) Money market funds $ 667,210 $ — $ — $ 667,210

Description of Business Narrati

Description of Business Narrative (Details)	Sep. 30, 2015product
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of Products	5

Summary of Significant Accoun25

Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 31, 2014USD ($)shares	Sep. 30, 2015customer	Sep. 30, 2014customer	Sep. 30, 2015USD ($)segmentcustomer	Sep. 30, 2014USD ($)customer	Dec. 31, 2014customer	Mar. 21, 2014$ / shares
Class of Stock [Line Items]
Proceeds from public offering, net of underwriters' discount and offering costs | $	$ 344,100			$ 0	$ 344,077
Number of Operating Segments | segment				1
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Class of Stock [Line Items]
Number of Customers with more than 10% of Period Receivables		0		0		0
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]
Class of Stock [Line Items]
Number of Customers with More than 10% of Period Revenue		0	0	0	0
Common Class A [Member]
Class of Stock [Line Items]
New share issues | shares	4,000,000
Price of new shares issued (in dollars per share) | $ / shares							$ 89.25

Stockholders' Equity (Details)

Stockholders' Equity (Details)	9 Months Ended
	Sep. 30, 2015votes$ / sharesshares	Dec. 31, 2014$ / sharesshares
Class of Stock [Line Items]
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred stock, par value (in USD per share) | $ / shares	$ 0.0001	$ 0.0001
Common Class B [Member]
Class of Stock [Line Items]
Common Stock, shares authorized	75,000,000	75,000,000
Common stock, par value (in USD per share) | $ / shares	$ 0.0001	$ 0.0001
Votes per share entitled to share holder | votes	10
Common Class A [Member]
Class of Stock [Line Items]
Common Stock, shares authorized	750,000,000	750,000,000
Common stock, par value (in USD per share) | $ / shares	$ 0.0001	$ 0.0001
Votes per share entitled to share holder | votes	1

Stock-Based Compensation (Detai

Stock-Based Compensation (Details 1) (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2015USD ($)$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options Outstanding, Shares, Beginning of Period	8,515,879
Options Outstanding, Shares, Options exercised	(1,964,101)
Options Outstanding, Shares, Options canceled	(26)
Options Outstanding, Shares, Options Forfeited	(93,442)
Options Outstanding, Shares, End of Period	6,458,310
Options Outstanding, Shares, Vested and Expected to Vest	6,425,093
Options Outstanding, Shares, Exercisable	4,632,968
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Options Outstanding, Weighted Average Exercise Price, Beginning of Period, USD per share | $ / shares	$ 8.76
Options Outstanding, Weighted Average Exercise Price, Options exercised, USD per share | $ / shares	8.20
Options Outstanding, Weighted Average Exercise Price, Options canceled, USD per share | $ / shares	12.78
Options Outstanding, Weighted Average Exercise Price, Options forfeited, USD per share | $ / shares	14.06
Options Outstanding, Weighted Average Exercise Price, End of Period, USD per share | $ / shares	8.86
Options Outstanding, Weighted Average Exercise Price Per Share, Vested and Expected to Vest, USD per share | $ / shares	8.82
Options Outstanding, Weighted Average Exercise Price Per Share, Exercisable, USD per share | $ / shares	$ 7.45
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options Outstanding, Weighted Average Remaining Contractual Term, End of Period (in years)	6 years 3 months 3 days
Options Outstanding, Weighted Average Remaining Contractual Term, Vested and Expected to Vest (in years)	6 years 3 months 3 days
Options Outstanding, Weighted Average Remaining Contractual Term, Exercisable (in years)	5 years 10 months 27 days
Options Outstanding, Aggregate Intrinsic Value, End of Period | $	$ 458,055
Options Outstanding, Aggregate Intrinsic Value, Vested and Expected to Vest | $	455,917
Options Outstanding, Aggregate Intrinsic Value, Exercisable | $	$ 335,120

Stock-Based Compensation Stock

Stock-Based Compensation Stock Based Compensation (RSU) Details 2 (Details)	9 Months Ended
	Sep. 30, 2015$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
RSUs granted	2,887,906
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
RSU Shares Outstanding, Beginning of Period	2,818,661
RSUs granted	2,887,906
RSUs vested	(589,689)
RSUs forfeited	(144,097)
RSU Shares Outstanding, End of Period	4,972,781
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Weighted Average Exercise Price [Roll Forward]
Weighted Average Fair Value, Beginning of Period, USD per share | $ / shares	$ 77.77
Weighted Average Fair Value, RSUs granted, USD per share | $ / shares	103.68
Weighted Average Fair Value, RSUs vested, USD per share | $ / shares	76.30
Weighted Average Fair Value, RSUs forfeited, USD per share | $ / shares	84.19
Weighted Average Fair Value, End of Period, USD per share | $ / shares	$ 92.80

Stock-Based Compensation (Narra

Stock-Based Compensation (Narrative) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2015USD ($)
Share-based Compensation [Abstract]
Option expiration period (in years)	10 years
Vesting period (in years)	4 years
Unrecognized compensation expense	$ 393.9
Recognition period (in years)	3 years 2 months 12 days

Stock-Based Compensation Stock-

Stock-Based Compensation Stock-Based Compensation (Details 3) (Details)	9 Months Ended
	Sep. 30, 2015shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Awards, Outstanding [Roll Forward]
Equity based awards, beginning of period	6,229,892
Authorized	3,493,410
Granted	(2,887,906)
Canceled	26
Forfeited	237,539
Equity based awards, end of period	7,072,961

Income Taxes - Narrative (Detai

Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Effective tax rate	(3.20%)	(35.50%)	2.70%	(49.60%)
Income tax expense (benefit)	$ 413	$ 1,214	$ (1,166)	$ 4,915
Discrete tax benefit related to dispositions on incentive stock options			$ 1,700	$ (1,300)

Commitments and Contingencies C

Commitments and Contingencies Commitments and Contingencies - Obligations (Details) $ in Thousands	Sep. 30, 2015USD ($)
Commitments and Contingencies Disclosure [Abstract]
Remainder of 2015	$ 4,816
2,016	21,893
2,017	26,307
2,018	33,981
2,019	32,847
Thereafter	204,403
Total	$ 324,247

Commitments and Contingencies33

Commitments and Contingencies Commitments and Contingencies Disclosure - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2015USD ($)
Commitments and Contingencies [Abstract]
Long-term Purchase Commitment	$ 12.2
Long-term Purchase Commitment, Due in next 12 months	8.4
Long-term Purchase Commitment, Due in second year	$ 3.8

Segments and Information abou34

Segments and Information about Revenues by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Information [Line Items]
Revenues	$ 170,832	$ 104,469	$ 450,837	$ 269,693
United States and Canada [Member]
Segment Reporting Information [Line Items]
Revenues	128,667	80,360	340,229	208,730
International [Member}
Segment Reporting Information [Line Items]
Revenues	$ 42,165	$ 24,109	$ 110,608	$ 60,963

Net Income (Loss) Per Share (De

Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (13,373)	$ (4,631)	$ (42,379)	$ (14,834)
Weighted average shares used to compute net loss per share, basic and diluted	72,089	68,966	71,341	66,923
Net loss per share - basic and diluted (in USD per share)	$ (0.19)	$ (0.07)	$ (0.59)	$ (0.22)
Employee Stock Option [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Antidilutive shares excluded from computation of diluted net loss	11,431	11,253	11,431	11,253

Fair Value Measurements (Detail

Fair Value Measurements (Details) - Money Market Funds [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments fair value	$ 698,773	$ 667,210
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments fair value	698,773	667,210
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments fair value	0	0
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments fair value	$ 0	$ 0

Subsequent Events Narrative (De

Subsequent Events Narrative (Details) - Subsequent event $ in Millions	1 Months Ended
	Oct. 31, 2015USD ($)
Subsequent Event [Line Items]
Operating lease, minimum lease payment	$ 8.8
Minimum [Member]
Subsequent Event [Line Items]
Operating lease, annual rent increase percentage	0.00%
Operating lease, inital term (in years)	4 years
Maximum [Member]
Subsequent Event [Line Items]
Operating lease, annual rent increase percentage	4.00%
Operating lease, inital term (in years)	11 years