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Inventories
12 Months Ended
Dec. 31, 2011
Inventories [Abstract]  
INVENTORIES

6.  INVENTORIES

Inventories as of December 31 were as follows (in thousands):

 

                 
    2011     2010  

Raw materials

  $ 32,213     $ 31,750  

Work-in-process

    3,524       4,182  

Finished goods

    6,382       5,001  
   

 

 

   

 

 

 
      42,119       40,933  

Inventory reserves

    (6,367     (5,444
   

 

 

   

 

 

 

Net balance

  $ 35,752     $ 35,489