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Comprehensive Loss
3 Months Ended
Mar. 31, 2012
Comprehensive Loss [Abstract]  
Comprehensive Loss

10. Comprehensive Loss

Comprehensive loss consists of the following (in thousands):

 

                 
     Three Months Ended  
     March 31,  
     2012     2011  

Net loss

   $ (37,921   $ (22,088

Unrealized gain (loss) on cash equivalents and marketable securities

     24        (77
    

 

 

   

 

 

 

Comprehensive loss

   $ (37,897   $ (22,165