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Inventory (Tables)
9 Months Ended
Sep. 30, 2016
Disclosure Inventory Net [Abstract]  
Inventory, Net
Inventory consists of the following (in thousands):
 
September 30, 2016
 
December 31, 2015
Raw materials
$
4,407

 
$
3,775

Work in process
5,005

 
8,255

Total
$
9,412

 
$
12,030