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Inventories (Tables)
9 Months Ended
Sep. 30, 2012
Inventories [Abstract]  
Inventories

Inventories were as follows (in thousands):

 

                 
    September 30, 2012     December 31, 2011  

Raw materials

  $ 26,930     $ 32,213  

Work-in-process

    3,407       3,524  

Finished goods

    6,829       6,382  
   

 

 

   

 

 

 
      37,166       42,119  

Inventory reserves

    (6,404     (6,367
   

 

 

   

 

 

 

Net balance

  $ 30,762     $ 35,752