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Inventories
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories
INVENTORIES

Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or net realizable value, and consist of the following (in thousands):

 
March 31,
2018
 
December 31,
2017
Raw materials
$
2,672

 
$
3,316

Finished goods
6,645

 
6,598

Reserves for excess, obsolete, and slow moving inventories and valuation reserves
$
(3,709
)
 
$
(4,196
)
Inventories, net
$
5,608

 
$
5,718