Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2016

Net Loss per Share

Schedule of share amount excluded from the calculation of diluted net loss per share, prior to the use of the treasury stock method, due to their anti-dilutive effect

The following table presents amounts that were excluded from the calculation of diluted net loss per share, due to their anti-dilutive effect (in thousands):

	Three Months Ended March 31,
	2015	2016
Outstanding stock options	4,791	7,068
Unvested restricted stock units	16	537
Shares issuable upon conversion of Convertible Notes	—	20
	4,807	7,625