4. BITCOIN - Schedule of Activities of the Bitcoin (Parenthetical) (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
|---|---|---|
| Common Domain Members [Abstract] | ||
| Bitcoin - current | $ 592,058 | $ 966,829 |
| Bitcoin - noncurrent | $ 122,235 | $ 222,614 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Fair value of crypto asset classified as current. Excludes crypto asset held for platform user. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of crypto asset classified as noncurrent. Excludes crypto asset held for platform user. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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