INVESTMENT IN DEBT AND EQUITY SECURITIES (Details - Series G Preferred Stock and Preferred Stock Warrants) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2025 |
Oct. 31, 2024 |
Oct. 31, 2025 |
Oct. 31, 2024 |
|
| DisclosureLineElements [Line Items] | ||||
| Change in fair value of warrant asset | $ (2,371,000) | $ (4,265,000) | $ (5,210,000) | $ (3,540,734) |
| Investment, ending balance | 20,747,000 | 20,747,000 | ||
| Series G Preferred Stock [Member] | ||||
| DisclosureLineElements [Line Items] | ||||
| Investment, beginning balance | 22,474,000 | |||
| Change in fair value of warrant asset | (6,560,000) | |||
| Investment, ending balance | 15,914,000 | 15,914,000 | ||
| Series G Warrant [Member] | QCLS [Member] | ||||
| DisclosureLineElements [Line Items] | ||||
| Investment, beginning balance | 8,618,000 | |||
| Change in fair value of warrant asset | (191,000) | |||
| Investment, ending balance | $ 8,427,000 | $ 8,427,000 | ||