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Inventories
9 Months Ended
Sep. 30, 2011
Inventories [Abstract] 
INVENTORIES
5.   INVENTORIES

Inventories consist of the following (in thousands):

 

                 
    September 30,
2011
    December 31,
2010
 

Finished goods

  $ 14,261     $ 14,304  

Work in process

    21,557       20,907  

Raw materials

    1,925       1,498  
   

 

 

   

 

 

 

Total inventories

  $ 37,743     $ 36,709