Common Stock Reserved for Future Issuance (Tables)

6 Months Ended

Jun. 30, 2017

Common Stock Reserved for Future Issuance

Schedule of Common Stock reserved for future issuance

	As of June 30,
	2017	2016
Warrants for the purchase of Common Stock	24,566	24,566
Options to purchase Common Stock	3,669,791	3,133,107
Employee Stock Purchase Plan	523,659	335,484
Total	4,218,016	3,493,157