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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Activities of Digital Currencies (Details)
$ in Thousands
6 Months Ended
Mar. 31, 2023
USD ($)
Accounting Policies [Abstract]  
Beginning Balance $ 11,147
Addition of bitcoin 70,234
Sale of bitcoin (75,298)
Bitcoin issued for services (310)
Bitcoin issued for software (229)
Impairment loss (277)
Ending balance $ 5,267