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INVENTORIES
9 Months Ended
Sep. 30, 2016
INVENTORIES  
INVENTORIES
8. INVENTORIES

 

Inventories consist of the following:

 

(in thousands)   as of
September 30,
2016
    as of
December 31,
2015
 
Raw materials and supplies   $ 24,389     $ 17,058  
Work in process     8,204       7,562  
Finished goods     5,105       8,018  
Total inventories   $ 37,698     $ 32,638