Common Stock Reserved for Future Issuance

9 Months Ended

Sep. 30, 2017

Common Stock Reserved for Future Issuance

Common Stock Reserved for Future Issuance

10.   Common Stock Reserved for Future Issuance

The Company has reserved for future issuance the following shares of Common Stock:

	As of September 30,
	2017	2016
Warrants for the purchase of Common Stock	24,566	24,566
Options to purchase Common Stock	3,669,791	3,118,255
Employee Stock Purchase Plan	523,659	335,484
Total	4,218,016	3,478,305