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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2014
INVENTORIES  
Schedule of Inventory
         
December 31,
 
2014
   
2013
 
(in thousands)
       
Raw materials
 
$
16,996
   
$
15,901
 
Work in process
   
6,602
     
7,435
 
Finished goods
   
5,221
     
5,523
 
Total inventories
 
$
28,819
   
$
28,859