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Inventory (Tables)
 9 Months Ended
Sep. 30, 2012
Inventory

Inventory consists of the following (in thousands):

 

     September 30,
2012		      December 31,
2011		  

Raw materials

    $ 12,083       $ 9,754   

Work-in-process

      3,586         1,219   

Finished goods

      1,085         1,683   
  

 

 

     

 

 

  

Total

    $ 16,754       $ 12,656