Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating activities
Net income	$ 1,793,334	$ 1,504,696
Adjustments to reconcile net income to net cash:
Stock based compensation	66,318	82,112
Depreciation and amortization	540,079	578,338
Loss on investment	15,086	0
Deferred tax expense (recovery)	303,793	38,157
Changes in non-cash working capital items:
Decrease (Increase) in accounts receivable	(1,199,267)	349,470
Decrease (Increase) in inventories	(506,278)	125,047
(Increase) Decrease in prepaid expenses	15,793	(127,946)
Increase (Decrease) in accounts payable	90,111	38,523
Increase (Decrease) in taxes payable	600,629	152,396
(Decrease) Increase deferred revenue	55,628	33,786
Cash provided by operating activities	1,775,226	2,736,651
Investing activities
Long term deposits	(15,925)	(4,697)
Investment	(87,500)	0
Net purchase of property and equipment	(114,270)	(59,030)
Cash used in investing activities	(217,695)	(63,727)
Financing activities
Draw on (repayment of) short term line of credit	50,000	(550,000)
Loan repayment	(201,193)	(343,661)
Proceeds received from loan	(1,575,000)	0
Proceeds of issuance of common stock	32,600	8,000
Cash used in financing activities	(1,693,593)	(885,661)
Effect of exchange rate changes on cash	107,390	(36,042)
Inflow of cash	(28,672)	1,751,221
Cash and cash equivalents, beginning	2,498,738	747,517
Cash and cash equivalents, ending	2,470,066	2,498,738
Supplemental disclosure of cash flow information:
Income taxes paid	452,654	785,000
Interest paid	$ 41,699	$ 55,770