Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001491778 (http://www.sec.gov/CIK)

Income Tax Disclosure [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Income Tax Disclosure [Abstract]
Schedule of Components of Income Tax Expense (Benefit)	The provision for income taxes for the years ended December 31, 2016, 2015 and 2014 consisted of the following components:      2016   2015   2014 Current:             U.S. federal   $ —   $ —   $ — State   21   27   40  Total current   21   27   40 Deferred:             U.S. federal   $ 17   $ 17   $ 10 State   5   —   1  Total deferred   22   17   11 Provision for income taxes   $ 43   $ 44   $ 51
Schedule of Effective Income Tax Rate Reconciliation	The reconciliation of income tax expense computed at the U.S. federal statutory rate to the Company’s effective tax rate for the years ended December 31, 2016, 2015 and 2014 is as follows:      2016   2015   2014 U.S. federal income tax rate   34.0  %   34.0  %   34.0  % State income taxes, net of federal benefit   9.1  %   (1.3 )%   (0.5 )% Valuation allowance   (41.0 )%   (29.7 )%   (20.1 )% Stock-based compensation   6.3  %   15.6  %   (9.4 )% Research and development credits   1.0  %   (16.4 )%   —  % Internal Revenue Code Section 162(m)   (8.3 )%   —  %   —  % Other   (1.7 )%   (1.8 )%   (4.4 )% Effective income tax rate   (0.6 )%   0.4  %   (0.4 )%
Schedule of Deferred Tax Assets and Liabilities	Significant components of the Company’s deferred tax assets and liabilities as of December 31, 2016 and 2015 are as follows:      2016   2015 Deferred tax assets:         Deferred revenue   $ 27,239   $ 34,177 Intangibles - other   9,210   10,088 Net operating loss carryforwards   62,033   50,885 Stock-based compensation   8,529   5,301 Research and development credits   2,864   2,556 Other   5,341   3,756 Total deferred tax assets   115,216   106,763 Valuation allowance   (89,854 )   (84,035 ) Total net deferred tax assets   25,362   22,728           Deferred tax liabilities:         Prepaid expenses   $ (4,022 )   $ (3,853 ) Property, equipment and software   (21,340 )   (18,875 ) Goodwill   (220 )   (198 ) Total net deferred tax liabilities   (25,582 )   (22,926 ) Total net deferred tax liability   $ (220 )   $ (198 )