Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2016

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 June 30,				Six Months Ended June 30,
	2016		2015		2016		2015
	(Unaudited)
Convertible preferred stock (if converted)		—		30,381,987		—		29,698,269
Options to purchase common stock		6,113,707		4,281,468		6,087,898		4,283,852
Preferred stock warrants (if converted)		—		128,231		—		128,231
Common stock warrants (if converted)		326,991		—		326,991		—