4. BITCOIN - Company's Bitcoin Holdings (Details) - USD ($) $ in Thousands |
Mar. 31, 2025 |
Sep. 30, 2024 |
|---|---|---|
| Common Domain Members [Abstract] | ||
| Number Of Bitcoins Held | $ 11,869 | $ 6,819 |
| Cost basis - per bitcoin | 75,660 | 55,408 |
| Fair value - per bitcoin | 82,537 | 63,301 |
| Cost basis of bitcoin (in '000s) | 898,009 | 377,839 |
| Fair value of bitcoin (in '000s) | $ 979,635 | $ 431,661 |