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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2015
Accounting Policies [Abstract]  
Securities Excluded from the Computation of Potentially Dilutive Securities

The following table details those securities which have been excluded from the computation of potentially dilutive securities:

 

 

 

As of September 30,

 

 

 

2015

 

 

2014

 

Series B convertible preferred stock

 

 

 

 

 

8,888,597

 

Series C convertible preferred stock

 

 

 

 

 

5,789,699

 

Class B common shares not exercised

 

 

 

 

 

5,509,925

 

Outstanding options

 

 

9,811,356

 

 

 

3,055,469

 

Outstanding restricted stock units

 

 

485,150

 

 

 

 

Outstanding warrants

 

 

17,824,525

 

 

 

2,052,408

 

Total

 

 

28,121,031

 

 

 

25,296,098