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Inventories
9 Months Ended
Sep. 30, 2013
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):
 
   
September 30,
   
December 31,
 
   
2013
   
2012
 
 Raw materials
  $ 11,081     $ 10,017  
 Work in process
    6,877       5,268  
 Finished goods
    8,530       8,494  
 Total inventories
  $ 26,488     $ 23,779