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INVENTORIES
6 Months Ended
Jun. 30, 2011
INVENTORIES
NOTE D - INVENTORIES
 
Inventories are stated at the lower of cost or market. Cost is determined using the first-in, first-out (“FIFO”) method. Market is replacement cost or net realizable value. We estimate reserves for inventory obsolescence based on our judgment of future realization. Inventories were comprised of the following (in thousands): 
 
     
June 30,
2011
   
December 31, 2010
 
 
Raw materials
  $ 6,598     $ 5,709  
 
Work in process
    2,703       2,423  
 
Finished goods
    5,019       4,625  
 
Spare parts and supplies
    915       928  
        15,235       13,685  
 
Allowance for obsolete inventory
    (696 )     (569 )
 
    Inventories, net
  $ 14,539     $ 13,116