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INVENTORIES
9 Months Ended
Sep. 30, 2013
INVENTORIES  
INVENTORIES
8.
INVENTORIES
 
Inventories consist of the following:
 
(in thousands)
 
September 30,
2013
   
December 31,
2012
 
Raw materials and supplies
  $ 17,425     $ 17,205  
Work in process
    6,071       6,597  
Finished goods
    4,091       4,357  
Total inventories
  $ 27,587     $ 28,159