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Net Loss Per Share (Tables)
3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Loss Per Share Attributable to Common Stockholders

Basic and diluted loss per share are calculated as follows (in thousands, except share and per share data):

 

     Three Months Ended
March 31,
 
     2017      2016  

Numerator:

     

Net loss

   $ (28,008    $ (23,467
  

 

 

    

 

 

 

Denominator:

     

Weighted average common shares outstanding - basic and diluted

     47,343,234        33,466,955  
  

 

 

    

 

 

 

Net loss per share - basic and diluted

   $ (0.59    $ (0.70