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Summary of warrants issued and fair values (Details) - USD ($) | 1 Months Ended
--- | ---
Jan. 31, 2021 | Oct. 31, 2020
Note 14 Warrants |  |
[custom:NumberOfWarrantsUponIssuance] | 675,000 | 399,998
[custom:InitialFairValueOfWarrantsUponIssuance] | $ 2,870,666 | $ 267,999

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