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Inventories
3 Months Ended
Mar. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
3. Inventories

Inventories consist of the following:

 

     March 31, 2014      December 31, 2013  
     (in thousands)  

Raw materials

   $ 3,730       $ 3,647   

Work-in-process

     2,492         2,949   

Finished products

     7,964         6,659   
  

 

 

    

 

 

 

Total inventory

   $ 14,186       $ 13,255   
  

 

 

    

 

 

 

 

We held inventory on consignment of $0.7 million as of March 31, 2014 and December 31, 2013, respectively.