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INVENTORIES
3 Months Ended
Mar. 31, 2014
INVENTORIES  
INVENTORIES
8.
INVENTORIES
 
Inventories consist of the following:
 
(in thousands)
 
March 31,
2014
   
December 31,
2013
 
Raw materials and supplies
  $ 14,576     $ 15,901  
Work in process
    6,968       7,435  
Finished goods
    5,004       5,523  
Total inventories
  $ 26,548     $ 28,859