Common Stock Reserved for Future Issuance (Tables)

6 Months Ended

Jun. 30, 2015

Common Stock Reserved for Future Issuance

Schedule of Common Stock reserved for future issuance

	June 30, 2015	December 31, 2014
Conversion of Series A Preferred Stock	—	5,356,996
Conversion of Series B Preferred Stock	—	2,655,992
Warrants for the purchase of Preferred Stock	—	12,283
Warrants for the purchase of Common Stock	59,405	34,839
Options to purchase Common Stock	2,572,959	1,385,341
Employee Stock Purchase Plan	182,352	—
Total	2,814,716	9,445,451