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Disclosure of detailed information about warrants outstanding (Details)
Dec. 31, 2017
CAD ($)
Dec. 31, 2015
CAD ($)
Dec. 31, 2014
CAD ($)
Statement [Line Items]      
Number of Warrants 2,623,306 0 9,175,533
Exercise Price $ 2.00 $ 0 $ 4.56
Private placement, April 12, 2017 [Member]      
Statement [Line Items]      
Number of Warrants 2,500,004    
Exercise Price $ 2.00    
Finders warrants, April 12, 2017 [Member]      
Statement [Line Items]      
Number of Warrants 123,302    
Exercise Price $ 2.00