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5. BITCOIN - Schedule of Activities of the Bitcoin (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Mar. 31, 2024
Sep. 30, 2023
Common Domain Members [Abstract]    
Balance as of September 30, 2023 $ 56,241  
Cumulative effect of the adoption of ASC 350-60 4,183  
Adjusted beginning balance - at fair value   $ 60,424
Addition of bitcoin from mining activities 185,585  
Bitcoin sold & issued for services and purchase of software (43,771)  
Gains from fair value adjustments 155,743  
Balance as of March 31, 2024 $ 357,981 $ 56,241