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Note 18 – Warrants (Tables) | 12 Months Ended
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Apr. 30, 2024
Note 18 Warrants |
[custom:ScheduleOfWarrantsIssuedAndFairValueTableTextBlock] |
|  | Upon Issuance |  | Outstanding at April 30, 2024
Date of Transaction |  | Number of Warrants |  | Initial Fair Value |  | Number of Warrants |  | Fair Value
| October 2020 |  |  |  | 399,998 |  |  | $ | 267,999 |  |  |  | 266,666 |  |  | $ | 209,938 |
| January 2021 |  |  |  | 675,000 |  |  | $ | 2,870,666 |  |  |  | 540,000 |  |  | $ | 443,242 |
Defined Benefit Plan, Assumptions [Table Text Block] |
|  | 2024 |  | 2023
Risk-free interest rate |  |  | 4.25 | % |  |  | — |
Expected dividend yield |  |  | — |  |  |  | — |
Expected term (in years) |  |  | 5.00 |  |  |  | — |
Expected volatility |  |  | 205.50 | % |  |  | — |
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
|  | Number of Shares |  | Weighted-average Exercise Price per Share |  | Weighted-average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value
| Balance as of April 30, 2022 | 1,539,999 |  |  |  | 3.38 |  |  |  | 3.89 |  |  | $ | 427,533 |
| Granted |  |  | — |  |  | $ | — |  |  |  |  |  |  |  |  |
| Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
| Outstanding as of April 30, 2023 | 1,539,999 |  |  |  | 3.38 |  |  |  | 2.89 |  |  | $ | — |
| Granted | 736,000 |  |  |  | 0.63 |  |  |  |  |  |  |  |  |
| Exercised | — |  |  |  | — |  |  |  |  |  |  |  |  |
| Outstanding at April 30, 2024 | 2,275,999 |  |  | $ | 2.49 |  |  |  | 2.77 |  |  | $ | 666,080 |

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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-1 + Details
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