Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Net Loss Per Share.

Schedule of anti-dilutive common stock equivalents excluded from calculation of diluted net loss per share

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Convertible preferred stock	—	8,012,987	—	8,012,987
Stock options	1,534,201	1,209,072	1,534,201	1,209,072
Common stock warrants	59,405	34,839	59,405	34,839
	1,593,606	9,256,898	1,593,606	9,256,898