INVESTMENT IN DEBT AND EQUITY SECURITIES (Details - Series H Preferred Stock and Preferred Stock Warrants) - USD ($) |
3 Months Ended | |
|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| DisclosureLineitem [Line Items] | ||
| Change in fair value | $ (5,550,000) | $ (2,839,000) |
| QCLS Series H Warrants [Member] | ||
| DisclosureLineitem [Line Items] | ||
| Investment, beginnning balance | 2,829,000 | |
| Change in fair value | (987,000) | |
| Investment, ending balance | 1,842,000 | |
| QCLS Series H Preferred Stock [Member] | ||
| DisclosureLineitem [Line Items] | ||
| Investment, beginnning balance | 4,459,000 | |
| Change in fair value | (1,149,000) | |
| Investment, ending balance | $ 3,310,000 | |