Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

The computation of the Company’s basic and diluted net loss per share attributable to common stockholders is as follows (in thousands, except per share data):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Net loss	$	(9,818	)	$	(782	)	$	(23,161	)	$	(21,721	)
Weighted-average number of common shares    used in computing net loss per share attributable    to common stockholders, basic and diluted		82,831			78,065			83,335			63,542
Net loss per share attributable to common    stockholders, basic and diluted	$	(0.12	)	$	(0.01	)	$	(0.28	)	$	(0.34	)

Schedule of Outstanding Common Equivalent Shares Excluded from Computation of Diluted Net Loss per Share Attributable to Common Stockholders

The outstanding common equivalent shares excluded from the computation of the diluted net loss per share attributable to common stockholders for the periods presented because including them would have been antidilutive are as follows (in thousands):

	Three and Nine Months Ended September 30,
	2015		2014
Stock options and ESPP		8,846		10,876
Restricted stock units		7,160		5,632
		16,006		16,508