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Goodwill (Tables)
9 Months Ended
Sep. 30, 2011
Goodwill [Abstract] 
Schedule Of Goodwill

Balance at December 31, 2010

   $ 53,364   

Reduction of goodwill related to acquisition of LEAD Therapeutics, Inc.

     (309 )

Reduction of goodwill related to acquisition of ZyStor Therapeutics, Inc.

     (1,512 ) 
 

 

 

  

Balance at September 30, 2011

   $ 51,543