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INVENTORIES
6 Months Ended
Jun. 30, 2014
INVENTORIES  
INVENTORIES
8.
INVENTORIES
 
Inventories consist of the following:
 
(in thousands)
 
June 30,
2014
   
December 31, 2013
 
Raw materials and supplies
  $ 17,170     $ 15,901  
Work in process
    5,603       7,435  
Finished goods
    2,404       5,523  
Total inventories
  $ 25,177     $ 28,859