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FAIR VALUE MEASUREMENTS (Details - Changes in fair value of warrant liability) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 31, 2026 | Jan. 31, 2025 | Jan. 31, 2026 | Jan. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Change in fair value of derivative liability | $ 1,895,865 | $ 4,487,000 | $ (8,335,135) | $ 8,400,000
Fair Value, Recurring [Member] | Warrant Liability [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Fair value, beginning | 16,152,000 |  | 338,000 |
Issuance of warrants | 0 |  | 5,583,000 |
Warrant exercises | (599,135) |  | (599,135) |
Change in fair value of derivative liability | (1,895,865) |  | 8,335,135 |
Fair value, ending | $ 13,657,000 |  | $ 13,657,000 |

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