Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Summary of Potentially Dilutive Shares of Common Stock

Because we reported a net loss for the three and six months ended June 30, 2016 and 2015, all potentially dilutive shares of common stock have been excluded from the computation of the dilutive net loss per share for all periods presented. Such potentially dilutive shares of common stock consist of the following:

	June 30,
	2016		2015
Potentially dilutive securities, excluded:
Outstanding stock options		584,865		171,225
Unvested restricted stock units		46,757		89,896
Warrants to purchase common stock		3,718,022		3,739,948
		4,349,644		4,001,069