Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2016

Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share of Common Stock

The following outstanding shares of common stock and potential common shares 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:

	For the three and nine months ended September 30,
	2016		2015
Stock options to purchase common stock		1,681,901		2,216,426
Restricted stock units for common stock		2,175,849		2,128,749
Restricted stock issued in connection with Skyfence acquisition		270,565		355,499