CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities
Net income (loss)	$ 135,329	$ (243,339)
Stock compensation expense	59,500	64,689
Depreciation	656,486	611,737
Changes in non-cash working capital items:
(Increase) Decrease in accounts receivable	(548,219)	(24,639)
(Increase) Decrease in inventory	236,544	(302,096)
(Increase) Decrease in prepaid expenses	(106,564)	(68,523)
(Increase) Decrease in deferred tax asset		(10,000)
Increase (Decrease) in accounts payable	(141,512)	185,066
Increase (Decrease) in taxes payable	(120,000)	(147,000)
Increase (Decrease) in deferred revenue	(54,975)
Cash provided by (used in) operating activities	116,589	65,895
Investing activities
Acquisition of property and equipment	(55,487)	(85,532)
Cash provided by (used in) investing activities	(55,487)	(85,532)
Financing activities
Short term line of credit	195,000	225,000
Loan (repayment)	(84,488)	(63,698)
Purchase of common stock
Cash provided (used) by financing activities	110,512	161,302
Effect of exchange rate changes on cash	(21,118)	(2,663)
Inflow (outflow) of cash	150,496	139,002
Cash and cash equivalents, beginning	381,867	506,905
Cash and cash equivalents, ending	512,363	645,907
Supplemental disclosure of cash flow information:
Income taxes paid	190,000	827,000
Interest paid	$ 77,349	$ 61,414