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Inventories (Tables)
 3 Months Ended
Mar. 31, 2013
Inventories

Inventories consist of the following as of (in thousands):

 

     March 31,
2013		      December 31,
2012		  

Raw materials

    $ 2,445       $ 2,846   

Work-in-process

      1,572         1,369   

Finished goods

      3,354         2,954   
  

 

 

     

 

 

  
   $ 7,371       $ 7,169