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Inventories
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventories

(2) Inventories

Inventories are stated at the lower of cost (first-in, first-out) or market. Components of inventory cost include materials, labor and manufacturing overhead. Inventories consist of the following (in thousands):

 

     March 31,
2015
     December 31,
2014
 

Raw materials

   $ 628       $ 761   

Work in process

     1,641         1,095   

Finished goods

     1,064         1,345   
  

 

 

    

 

 

 

Total

$ 3,333    $ 3,201