Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Anti-Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share

The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share for the periods presented because including them would have had an anti-dilutive effect:

	Three Months Ended March 31,
	2016		2015
	(Unaudited)
Convertible preferred stock (if converted)		—		29,006,955
Options to purchase common stock		6,063,836		4,286,236
Preferred stock warrants (if converted)		—		128,231
Common stock warrants (if converted)		326,991		—