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Accrued Liabilities
3 Months Ended
Mar. 31, 2012
Accrued Liabilities [Abstract]  
Accrued Liabilities

Note 7. Accrued Liabilities

Accrued liabilities at March 31, 2012 and December 31, 2011 consisted of the following (in thousands):

 

     March 31,      December 31,  
     2012      2011  

Accrued compensation and related

   $ 1,134       $ 2,027   

Accrued inventory

     3,906         1,417   

Accrued contract and other accrued expenses

     2,457         2,381   
  

 

 

    

 

 

 

Total accrued liabilities

   $ 7,497       $ 5,825