XML 94 R94.htm IDEA: XBRL DOCUMENT v3.20.1
Income taxes - Schedule of non-capital loss carryforwards (Details)
Dec. 31, 2019
CAD ($)
Income taxes paid (refund) [abstract]  
2038 $ 12,492,296
2039 15,026,313
Non-capital income tax losses expire $ 27,518,609