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Inventories (Tables)
12 Months Ended
Dec. 31, 2015
Inventories [Abstract]  
Schedule of Inventories
The components of inventories are summarized below (in thousands):
 
 
 
December 31,
 
 
 
2015
 
2014
 
Raw materials
 
$
7,115
 
$
5,844
 
Work in process
 
 
3,918
 
 
3,496
 
Finished goods
 
 
7,134
 
 
5,567
 
Provision for excess and obsolete inventory
 
 
(504)
 
 
(478)
 
Total inventories
 
$
17,663
 
$
14,429