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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consisted of the following (in thousands):
  
December 31,
 
2014
 
2013
Raw materials
$
23,498

 
$
13,101

Work-in-process
5,753

 
4,472

Finished goods
6,285

 
8,121

 
$
35,536

 
$
25,694