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Inventory
3 Months Ended
Mar. 31, 2015
Disclosure Inventory Net [Abstract]  
Inventory
Inventory
 
Inventory consists of the following (in thousands):

 
March 31, 2015
 
December 31, 2014
Raw materials
$
3,742

 
$
3,453

Work in process
9,360

 
7,991

Total
$
13,102

 
$
11,444