Stockholder's Equity
12 Months Ended
Dec. 31, 2015
Stockholders Equity Note [Abstract]  
Stockholder's Equity (Deficit)

8.

STOCKHOLDERS’ EQUITY

Common Stock — As discussed in Note 1, in April 2015, the Company issued 6,716,000 shares of common stock in connection with an underwritten public offering and during 2014 the Company issued 19,297,952 shares of common stock in connection with its IPO, the conversion of preferred stock and convertible notes into common stock, and the partial exercise of the underwriters’ overallotment option in the IPO.

Reserved Shares of Common Stock — The Company has reserved the following number of shares of common stock at December 31, 2015 and 2014:

 

 

 

As of December 31,

 

 

 

2015

 

 

2014

 

Warrants to purchase common stock

 

 

300,564

 

 

 

128,663

 

Common stock options

 

 

3,995,876

 

 

 

3,561,104

 

Total

 

 

4,296,440

 

 

 

3,689,767