Income taxes (Details 2) - USD ($)
12 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2019
Income Taxes      
Tax loss expired and other $ 695,370 $ 9,069 $ 0
Global intangible low-taxed income (GILTI)   40,643  
Income tax expense (recovery) 114,187 32,833 0
Current tax expense 20,333 32,833 5,678
Deferred tax recovery $ 93,854 $ 0 $ 11,042
Statutory income tax rate 26.50% 26.50% 26.50%
Statutory income tax recovery $ 1,393,726 $ 889,905 $ 2,143,853
Non-deductible expenses/ non-taxable income 53,470 47,287 79,210
Change in valuation allowance 540,925 843,877 2,425,721
Investment tax credit 0 0 364,955
Financing costs booked to equity 10,128 0 0
Difference in foreign tax rates 98 0 1,487
True up of tax returns $ 0 $ 0 $ 0