Net Loss per Share of Common Stock (Tables)

3 Months Ended

Mar. 31, 2016

Summary of Computation of Basic and Diluted Net Loss Per Share

The following table summarizes the computation of basic and diluted net loss per share of the Company (in thousands, except per share data):

	Three Months Ended
	March 31,
	2016			2015
Net loss	$	(24,231	)	$	(22,006	)
Weighted-average shares used to compute basic and diluted net loss per share		29,422			27,810
Basic and diluted net loss per common share	$	(0.82	)	$	(0.79	)

Summary of Potentially Anti-dilutive Securities Excluded from Computation of Diluted Shares Outstanding

The following potentially dilutive securities outstanding at the end of the periods presented have been excluded from the computation of diluted shares outstanding as the effect would be anti-dilutive:

	March 31,
	2016		2015
Options to purchase common stock		4,089,220		2,761,967
Restricted stock units		524,397		185,514