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Inventories
6 Months Ended
Jun. 30, 2012
Inventories
(2)           Inventories
Inventories are stated at the lower of cost or market. Cost is determined by using the first-in, first-out method. The following table details the major components of inventories (in thousands):
 
   
June 30,
   
December 31,
 
   
2012
   
2011
 
Raw materials
  $ 9,726     $ 9,074  
Work in process
    6,079       4,843  
Finished goods
    9,094       10,665  
Total inventories
  $ 24,899     $ 24,582