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Income tax expense (Details 1) - CAD ($)
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Timing Differences On Property & Equipment, Right Of Use Assets, Lease Obligations And Financing Costs $ 1,674,085 $ 1,945,086 $ 1,805,012
Sred Expenditures 575,747 369,522 348,341
Foreign Tax Credit 285,772 285,772 285,772
Deferred Tax Assets 10,835,397 11,632,955 10,774,653
Intellectual Property (3,411,411) (3,745,627) (4,133,115)
Less Valuation Allowance (7,423,986) (7,887,328) (6,641,538)
Total (7,423,986) (7,887,328) (6,641,538)
Canada      
Net Operating Losses Carried Forward 8,051,504 7,809,363 6,840,817
USA      
Net Operating Losses Carried Forward $ 248,289 $ 1,223,212 $ 1,494,711