16. Sales by Product

12 Months Ended

Dec. 31, 2016

Revenue Recognition [Abstract]

Sales by Product

Revenues from sales by product for the years ended December 31, 2016 and 2015 are as follows (in thousands):

Product		2016			2015			Variance
ALUPREM	$	16,802	44%	$	13,319	36%	$	3,483	26%
HITOX		8,006	21%		10,392	28%		(2,386)	-23%
BARTEX / BARYPREM		8,217	21%		8,417	23%		(200)	-2%
HALTEX / OPTILOAD		4,364	11%		3,462	9%		902	26%
TIOPREM		742	2%		718	2%		24	3%
SR		-	0%		14	<1%		(14)	-100%
OTHER		325	1%		737	2%		(412)	-56%
Total	$	38,456	100%	$	37,059	100%	$	1,397	4%