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Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Income Statement [Abstract] |  |
Sales | $ 16,246,014 | $ 15,898,547
Cost of sales | 9,256,526 | 9,696,544
Gross profit | 6,989,488 | 6,202,003
Operating expenses |  |
Wages | 1,528,031 | 1,532,252
Administrative salaries and benefits | 838,837 | 715,773
Advertising and promotion | 21,199 | 34,445
Investor relations and transfer agent fee | 131,037 | 125,917
Office and miscellaneous | 269,800 | 308,016
Insurance | 301,856 | 292,460
Interest expense | 41,699 | 55,770
Rent | 117,715 | 127,916
Consulting | 119,198 | 131,714
Professional fees | 184,931 | 172,414
Travel | 140,340 | 109,051
Telecommunications | 24,363 | 34,473
Shipping | 16,338 | 20,660
Research | 95,098 | 95,265
Commissions | 66,839 | 122,868
Currency exchange | (10,602) | (55,892)
Utilities | 17,495 | 28,434
Total operating expenses | 3,904,174 | 3,851,536
Operating income | 3,085,314 | 2,350,467
Gain on sale of equipment | 6,848 | (45,249)
Loss on investment | (15,086) | 0
Interest income | 2,184 | 2,963
Income before income tax | 3,079,260 | 2,308,181
Income taxes (Note 11) |  |
Deferred income (expense) tax recovery | (303,793) | (38,157)
Income tax expense | (982,133) | (765,328)
Net income for the year | 1,793,334 | 1,504,696
Other comprehensive loss | 118,590 | (938,246)
Comprehensive income (loss) | $ 1,911,924 | $ 566,450
Income per share (basic and diluted) (Note 12) | $ 0.16 | $ 0.11
Weighted average number of common shares (basic) | 11,464,270 | 13,173,827
Weighted average number of common shares (diluted) | 11,635,136 | 13,307,021

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