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SEGMENTED INFORMATION (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Segmented Information Details 3      
Customer 1 $ 24,845,362 $ 19,245,936
Customer 2 7,451,519 6,318,713
Customer 3 1,061,760 4,540,687 6,705,786
Customer 4 5,619,686
Customer 5 2,599,326
Total revenue from mining operations $ 33,358,641 $ 30,105,336 $ 14,924,798