4. BITCOIN - Schedule of Activities of the Bitcoin (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Common Domain Members [Abstract] | ||||||||
| Beginning Balance - before cumulative effect change | $ 929,078 | $ 126,951 | $ 431,661 | $ 56,241 | ||||
| Cumulative effect of the adoption of ASC 350-60 | 0 | 0 | 0 | 4,183 | ||||
| Adjusted beginning balance after cumulative effect change | 929,078 | 126,951 | 431,661 | 60,424 | ||||
| Addition of bitcoin from mining activities | [1] | 181,712 | 111,799 | 344,018 | 185,585 | |||
| Bitcoin sold & issued for services and purchase of software | (3,488) | (471) | (6,903) | (43,771) | ||||
| Bitcoin transferred to collateral account | 0 | 0 | (8,860) | 0 | ||||
| Bitcoin received from collateral account | 0 | 0 | 129,180 | 0 | ||||
| (Loss) gain on fair value of bitcoin | (127,667) | 119,702 | 90,539 | 155,743 | ||||
| Ending Balance | [2] | $ 979,635 | $ 357,981 | $ 979,635 | $ 357,981 | |||
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