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Net Loss Per Share (Tables)
12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Computation of Net Loss Per Common Share

The following table sets forth the computation of net loss per common share (in thousands, except share and per share amounts):

 

     December 31,  
     2016      2015      2014  

Numerator:

        

Net loss

   $ (112,387    $ (29,621    $ (3,214
  

 

 

    

 

 

    

 

 

 

Denominator:

        

Weighted average number of shares outstanding—basic and diluted

     40,118,522         22,892,640         10,248,337   
  

 

 

    

 

 

    

 

 

 

Net loss per share-basic and diluted

   $ (2.80    $ (1.29    $ (0.31
  

 

 

    

 

 

    

 

 

 
Calculation of Anti-dilutive Potentially Dilutive Securities Not Included in Diluted Per Share

Potentially dilutive securities that were not included in the diluted per share calculations because they would be anti-dilutive were as follows:

 

     December 31,  
     2016      2015      2014  

Options to purchase common stock

     2,557,314         1,244,442         1,007,724   

Warrants to purchase common stock

     2,172,899         300,302         —     
  

 

 

    

 

 

    

 

 

 

Total

     4,730,213         1,544,744         1,007,724