Net loss per share

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Net loss per share

11. Net loss per share

The following common stock equivalents were excluded from the calculation of diluted net loss per share for the periods indicated because including them would have had an anti-dilutive effect (in thousands):

	Three Months Ended
	March 31,
	2017		2016
Outstanding stock options		4,203		4,104
Restricted stock units		426		320
ESPP shares		11		10
		4,640		4,434