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Inventory
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventory
Inventory
Inventories consisted of the following at December 31 (in thousands):
 
2014
 
2013
Raw materials
$
12,229

 
$
7,376

Work-in-process
111

 
44

Finished goods
7,337

 
4,688

Reserve for excess and obsolete inventory
(1,354
)
 
(999
)
Total inventory
$
18,323

 
$
11,109