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Inventory
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventory

7. Inventory

Inventory consisted of the following as of the date indicated (in thousands):

 

     June 30,
2013
     December 31,
2012
 

Raw materials

   $ 2,465       $ 2,120   

Work in process

     1,082         962   

Finished goods

     2,080         2,298   
  

 

 

    

 

 

 
   $ 5,627       $ 5,380