Sales by Product

12 Months Ended

Dec. 31, 2011

Sales By Product Dislosure [Abstract]

Sales by Product

18. Sales by Product Revenues from sales by product for the years ended December 31, 2011, 2010 and 2009 are as follows (in thousands):

		Product		2011				2010				2009
	HITOX		$		17,538	43%	$		12,080	39%	$		10,111	42%
	ALUPREM			14,368		35%		11,608		37%		9,450		39%
	BARTEX			4,092		10%		3,761		12%		2,601		11%
	HALTEX / OPTILOAD			3,093		7%		2,634		9%		1,646		7%
	TIOPREM			1,460		4%		515		2%		12		<1%
	OTHER			470		1%		418		1%		373		1%
Total			$		41,021	100%	$		31,016	100%	$		24,193	100%