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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories are stated at the lower of cost or market using the first-in first-out costing method. Inventories as of December 31, 2014 and 2013 include the costs of material, labor, and factory overhead. Inventories consist of the following:
 
December 31,
 
2014
 
2013
Raw materials
$
8,619

 
$
9,783

Work in process
2,896

 
3,087

Finished goods
5,909

 
5,385

 
$
17,424

 
$
18,255