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Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2013
Accrued Liabilities

Accrued liabilities at December 31, 2013 and 2012 consisted of the following (in thousands):

 

     December 31,  
     2013      2012  

Accrued compensation and related costs

   $ 2,527       $ 2,692   

Accrued inventory costs

     3,553         2,352   

Accrued contract and other accrued expenses

     3,733         2,575   
  

 

 

    

 

 

 

Total accrued liabilities

   $ 9,813       $ 7,619