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Stock-Based Compensation
3 Months Ended
Mar. 31, 2012
Stock-Based Compensation [Abstract]  
Stock-Based Compensation

Note 4. Stock-Based Compensation

Our non-cash stock-based compensation expense is as follows (in thousands):

 

     Three months ended
March 31,
 
     2012      2011  

Research and development

   $ 465       $ 732   

General and Administrative

     442         571   
  

 

 

    

 

 

 
   $ 907       $ 1,303