Net Loss per Share of Common Stock (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

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						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Net loss	$	(49,788	)	$	(27,335	)	$	(116,107	)	$	(73,684	)
Weighted-average shares used to compute basic and diluted net loss per share		35,680			29,574			35,336			29,495
Basic and diluted net loss per common share	$	(1.40	)	$	(0.92	)	$	(3.29	)	$	(2.50	)

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:

	September 30,
	2017		2016
Options to purchase common stock		4,650,559		4,430,010
Restricted stock units		936,135		481,385