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INVESTMENT IN DEBT AND EQUITY SECURITIES (Details - Femasys Note and warrants) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 31, 2026 | Jan. 31, 2025 | Jan. 31, 2026 | Jan. 31, 2025
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |
Investment, beginning balance |  |  | $ 3,696,000 |
Change in fair value |  |  | 1,304,000 | $ 601,000
Settlement of Femasys Note |  |  | 5,000,000 | 0
Investment, ending balance | $ 0 |  | 0 |
Investment, beginning balance |  |  | 3,061,000 |
Change in fair value | (214,000) | $ (596,000) | (2,155,000) | $ (1,830,000)
Investment, ending balance | 906,000 |  | 906,000 |
Femasys Notes [Member] |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |
Investment, beginning balance |  |  | 3,696,000 |
Change in fair value |  |  | 1,304,000 |
Settlement of Femasys Note |  |  | (5,000,000) |
Investment, ending balance | 0 |  | 0 |
Femasys Warrants [Member] |  |  |  |
Financial Instruments Owned and Pledged as Collateral [Line Items] |  |  |  |
Investment, beginning balance |  |  | 3,061,000 |
Change in fair value |  |  | (2,155,000) |
Investment, ending balance | $ 906,000 |  | $ 906,000 |

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