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Inventory
6 Months Ended
Jun. 30, 2015
Disclosure Inventory Net [Abstract]  
Inventory
Inventory
 
Inventory consists of the following (in thousands):
 
June 30, 2015
 
December 31, 2014
Raw materials
$
3,773

 
$
3,453

Work in process
8,873

 
7,991

Total
$
12,646

 
$
11,444