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Inventories (Tables)
9 Months Ended
Sep. 30, 2015
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or market, and consist of the following, net of reserves (in thousands):

 
September 30,
2015
 
December 31,
2014
Raw materials
$
3,219

 
$
2,850

Finished goods
4,766

 
4,019

Inventories, net
$
7,985

 
$
6,869