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Inventories
12 Months Ended
Dec. 31, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories consisted of the following (in thousands):
  
December 31,
 
2015
 
2014
Raw materials
$
27,301

 
$
18,223

Work-in-process
3,136

 
5,054

Finished goods
6,897

 
5,946

 
$
37,334

 
$
29,223