Net Loss per Share (Tables)

9 Months Ended

Sep. 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 September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
	(Unaudited)
Convertible preferred stock (if converted)		—		7,265,258		—		22,138,427
Options to purchase common stock		6,346,608		5,535,394		6,174,134		4,701,033
Preferred stock warrants (if exercised)		—		30,664		—		95,351
Common stock warrants (if exercised)		855,275		238,415		503,086		80,345