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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Sep. 30, 2023
--- | --- | ---
Net Investment Income [Line Items] |  |
Bitcoin's Value | $ 357,981 | $ 56,241
Derivative investment asset | 505 | 2,697
Amount |  |
Net Investment Income [Line Items] |  |
Bitcoin's Value | 357,981 |
Derivative investment asset | 505 | 2,697
Investment in debt security | 784 | 726
Total | 359,270 | 3,423
Level 1 |  |
Net Investment Income [Line Items] |  |
Bitcoin's Value | 357,981 |
Derivative investment asset | 0 | 0
Investment in debt security | 0 | 0
Total | 357,981 | 0
Level 2 |  |
Net Investment Income [Line Items] |  |
Bitcoin's Value | 0 |
Derivative investment asset | 0 | 0
Investment in debt security | 0 | 0
Total | 0 | 0
Level 3 |  |
Net Investment Income [Line Items] |  |
Bitcoin's Value | 0 |
Derivative investment asset | 505 | 2,697
Investment in debt security | 784 | 726
Total | $ 1,289 | $ 3,423

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