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INCOME TAXES (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Taxes Details 1      
Net income before income taxes $ 5,424,050 $ 5,668,298 $ 2,301,757
Combined statutory tax rate 26.00% 26.00% 26.00%
Income tax expense at the Canadian statutory rate $ 1,410,252 $ 1,473,757 $ 598,457
Reconciling items:      
Effect of difference in foreign tax rates 285,045 306,927 123,437
Non-deductible/non-taxable items 601,485 700,143 14,510
Change in unrecognized deductible temporary differences 1,085,984 1,408,398 (95,120)
Impact of foreign exchange (491,641) 777,498 801,804
Special mining duties 511,271 780,243 213,889
Expiry of tax losses 320,133
Impact of change of tax rates (321,670)
Revisions to estimates (248,421) (1,094,616) (39,224)
Share issue costs and other items (61,716) (187,583) (14,216)
Income tax expense recognized in the year $ 2,770,589 $ 4,164,767 $ 1,923,670