Inventories (Tables)

3 Months Ended

Mar. 31, 2017

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 (in thousands):

	March 31, 2017			December 31, 2016
Raw materials	$	4,672		$	5,049
Finished goods	9,527			10,016
Reserves for excess, obsolete, and slow moving inventories and valuation reserves	$	(5,758	)	$	(5,596	)
Inventories, net	$	8,441		$	9,469