Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Schedule of shares of Company's common stock reserved for future issuance

Shares of Company’s common stock reserved for future issuance are as follows:

	December 31, 2017	December 31, 2016
Common stock awards issued and outstanding	5,564,635	5,483,557
Authorized for future issuance under 2014 Equity Incentive Plan	1,723,733	1,576,926
Authorized for future issuance under 2016 Inducement Plan	188,715	334,062
Employee stock purchase plan	693,856	532,849
Total	8,170,939	7,927,394