XML 90 R20.htm IDEA: XBRL DOCUMENT v2.4.0.8
Net Loss Per Share
 12 Months Ended
Dec. 31, 2013
Net Loss Per Share  
Net Loss Per Share

13. Net Loss Per Share

        The following table sets forth the computation of basic and diluted loss per share applicable to common stockholders (in thousands, except per share data):

 
   Year Ended,
December 31,		   Period from
April 5, 2011
(inception) to
December 31,
2011		   Period from
April 5, 2011
(inception) to
December 31,
2013		  
 
   2013   2012  

Net loss applicable to common stockholders

   $ (29,044 ) $ (13,510 ) $ (2,725 ) $ (45,279 )
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   

Weighted average number of common shares used in net loss per share applicable to common stockholders—basic and diluted

     16,160     5,810     909     8,350  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   

Net loss per share applicable to common stockholders—basic and diluted

   $ (1.80 ) $ (2.33 ) $ (3.00 ) $ (5.42 )
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
                   

        The amounts in the table below were excluded from the calculation of diluted net loss per share, prior to the use of the treasury stock method, due to their anti-dilutive effect (in thousands):

 
   Year Ended,
December 31,		   Period from
April 5, 2011
(inception) to
December 31,
2011		   Period from
April 5, 2011
(inception) to
December 31,
2013		  
 
   2013   2012  
 
   (in thousands)
  

Series A Preferred Stock

     —     —     3,065     —  

Series B Preferred Stock

     —     —     —     —  

Outstanding stock options and restricted stock units

     2,509     1,410     618     2,509  

Founders' stock

     987     1,645     2,319     987  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total

     3,496     3,055     6,002     3,496  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​