Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Deferred income taxes (Schedule of Deferred Income Tax) (Details)

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Deferred income taxes (Schedule of Deferred Income Tax) (Details) - CAD ($)
Dec. 31, 2018
Dec. 31, 2017
Deferred income tax liabilities:    
Intangibles
Deferred income tax assets:    
Non-capital losses
Net deferred income tax liability