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Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2012
Discontinued Operations [Abstract]  
Results of operations from discontinued operations
                         
    Year Ended December 31,  
    2012     2011     2010  

Revenue:

                       

Grant

  $ 0     $ 0     $ 7,487  

Collaborative

    0       0       185  
   

 

 

   

 

 

   

 

 

 

Total revenue

    0       0       7,672  
   

 

 

   

 

 

   

 

 

 

Operating expenses:

                       

Research and development

    0       (13     38,060  

Selling, general and administrative

    56       125       6,952  
   

 

 

   

 

 

   

 

 

 

Total operating expenses

    56       112       45,012  
   

 

 

   

 

 

   

 

 

 

Loss from discontinued operations

    (56     (112     (37,340

Gain on sale of LC Business

    0       0       55,904  

Income tax provision

    0       0       (9,748
   

 

 

   

 

 

   

 

 

 

Net (loss) income from discontinued operations

  $ (56   $ (112   $ 8,816