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Inventories
3 Months Ended
Mar. 31, 2012
Inventories [Abstract]  
INVENTORIES
5. INVENTORIES

Inventories consisted of the following (in thousands):

 

                 
    March 31,
2012
    December 31,
2011
 

Finished goods

  $ 9,329     $ 11,824  

Work in process

    25,298       22,863  

Raw materials

    1,212       1,599  
   

 

 

   

 

 

 

Total inventories

  $ 35,839     $ 36,286