13. MAJOR CUSTOMERS

12 Months Ended

Dec. 31, 2012

Major Customers [Text Block]

13.      MAJOR CUSTOMERS

Net sales for the years ended December 31, 2012, 2011 and 2010, include sales to the following major customers, together with the receivables due from the major customers:

	Net Sales						% to Total Net Sales
	Year Ended December 31,						Year Ended December 31,
	2012		2011		2010		2012			2011			2010
U.S. Government Agencies	$	5,305,622	$	5,778,656	$	8,291,418		21	%		29	%		36	%
Ministry of Energy and Water, Afghanistan		2,750,143		2,268,219		686,133		11	%		11	%		3	%
	$	8,055,765	$	8,046,875	$	8,977,551		32	%		40	%		39	%

	Accounts Receivable						% of Total Accounts
	Amount at December 31,						Receivable at December 31,
		2012		2011		2010		2012		2011		2010
U.S. Government Agencies	$	211,639	$	1,460,810	$	1,183,509		4	%	22	%	22	%
Ministry of Energy and Water, Afghanistan		1,325,693		1,447,536		577,035		23	%	21	%	11	%
	$	1,537,332	$	2,908,346	$	1,760,544		27	%	43	%	33	%

The above table includes unbilled accounts receivable. As of December 31, 2012 and 2011, unbilled receivables of $0 and $460,000 are included for Ministry of Energy and Water, Afghanistan. 

Because of the nature of the Company’s business, the major customers may vary between years.