Net Loss per Share of Common Stock (Tables)

12 Months Ended

Dec. 31, 2015

Net Loss per Share of Common Stock

Schedule of computation of the entity's basic and diluted net loss per share of common stock

The following table sets forth the computation of the Company’s basic and diluted net loss per share of common stock during the years ended December 31, 2015, 2014 and 2013 (in thousands, except for share and per share amounts):

	Years Ended December 31,
	2015		2014		2013
Net loss attributable to common stockholders	$	(21,013)	$	(21,761)	$	(8,819)
Shares used in computing net loss per share of common stock, basic and diluted		48,158,378		46,718,495		44,958,120
Net loss per share of common stock, basic and diluted	$	(0.44)	$	(0.47)	$	(0.20)

Schedule of antidilutive potential common shares

The following outstanding shares of common stock equivalents were excluded from the computation of diluted net loss per share of common stock for the periods presented because including them would have been antidilutive:

	Years Ended December 31,
	2015	2014	2013
Stock options to purchase common stock	11,312,218	10,480,891	6,468,743
RSUs	258,878	897,231	850,351
Common stock warrants	—	90,000	912,368