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Accrued Liabilities
6 Months Ended
Jun. 30, 2012
Accrued Liabilities [Abstract]  
Accrued Liabilities

Note 7. Accrued Liabilities

Accrued liabilities at June 30, 2012, and December 31, 2011, consisted of the following (in thousands):

 

                 
    June 30,     December 31,  
    2012     2011  

Accrued compensation and related costs

  $ 1,661     $ 2,027  

Accrued inventory costs

    2,323       1,417  

Accrued contract and other accrued expenses

    2,591       2,381  
   

 

 

   

 

 

 

Total accrued liabilities

  $ 6,575     $ 5,825