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Summary of warrants issued and fair values (Details) - USD ($) | 1 Months Ended |
--- | --- | ---
Apr. 30, 2021 | Oct. 31, 2020 | Apr. 30, 2024
Note 18 Warrants |  |  |
[custom:NumberOfWarrantsUponIssuance] | 675,000 | 399,998 |
[custom:InitialFairValueOfWarrantsUponIssuance] | $ 2,870,666 | $ 267,999 |
[custom:NumberOfWarrantsOutstanding-0] |  |  | 266,666
[custom:FairValueOfWarrantsOutstanding-0] |  |  | $ 209,938
[custom:NumberOfWarrantsOutstanding2-0] |  |  | 540,000
[custom:FairValueOfWarrantsOutstanding2-0] |  |  | $ 443,242

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