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Inventories
6 Months Ended
Jun. 30, 2012
Inventories [Abstract]  
Inventories

(6) Inventories

Inventories are stated at the lower of cost or market using the first-in first-out costing method. Inventories as of June 30, 2012 and December 31, 2011 include the costs of material, labor, and factory overhead. Components of inventories consist of the following:

 

                 
    June 30,
2012
    December 31,
2011
 

Raw materials

  $ 8,690     $ 11,039  

Work in process

    2,014       1,805  

Finished goods

    6,455       5,771  
   

 

 

   

 

 

 
    $ 17,159     $ 18,615