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Inventory
6 Months Ended
Jun. 30, 2014
Inventory Disclosure [Abstract]  
Inventory
7. Inventory

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

 

     June 30,
2014
     December 31,
2013
 

Raw materials

   $ 1,945       $ 2,164   

Work in process

     1,846         2,198   

Finished goods

     2,616         2,388   
  

 

 

    

 

 

 
   $ 6,407       $ 6,750