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Disclosure of income tax expense (Details) - CAD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Statement [Line Items]      
Current tax expense $ 0 $ 0 $ 0
Deferred tax recovery (2,489,902) (1,439,332) (3,431,230)
Income Tax Expense $ (2,489,902) $ (1,439,332) $ (3,431,230)