Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

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 for the periods presented because including them would have been antidilutive:

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Stock options to purchase common stock		9,379,287		11,097,337		9,379,287		11,097,337
RSUs		526,890		208,149		526,890		208,149