Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Operating activities
Net income (loss)	$ 182,990	$ (190,080)
Stock compensation expense	255,773	181,232
Depreciation	330,423	356,797
Deferred tax recovery	(20,000)	(80,000)
Changes in non-cash working capital items:
(Increase) Decrease in accounts receivable	(1,138,262)	349,083
(Increase) Decrease in inventory	(363,860)	292,049
(Increase) Decrease in prepaid expenses	55,538	(67,398)
Increase (Decrease) in accounts payable	18,031	(88,532)
Increase (Decrease) in taxes payable	(182,002)	316,000
Increase (Decrease) in deferred revenue	62,569	250,000
Cash provided by (used in) operating activities	(798,800)	1,319,151
Investing activities
Proceeds from disposal of long term deposits
(Increase) Decrease in development of patents
Acquisition of equipment	(794,848)	(613,902)
Cash provided by (used in) investing activities	(794,848)	(613,902)
Financing activities
Proceeds from short term line of credit	650,000
Proceeds from long-term debt	(309,056)	(82,995)
Proceeds from issuance for common stock	(1,030,349)
Cash provided (used) by financing activities	(689,405)	(82,995)
Effect of exchange rate changes on cash	26,536	15,016
Inflow (outflow) of cash	(2,256,517)	637,270
Cash and cash equivalents, beginning	2,763,420	2,126,150
Cash and cash equivalents, ending	506,903	2,763,420
Supplemental disclosure of cash flow information:
Income taxes paid	1,330,000	454,180
Interest paid	$ 95,749	$ 77,216