5. RECEIVABLE FROM BITCOIN COLLATERAL (Additional Information) (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
BITCOIN [Text Block]
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
BITCOIN [Text Block]
|
Jun. 30, 2025
USD ($)
|
Sep. 30, 2025
USD ($)
BITCOIN [Text Block]
|
|
| Receivables [Abstract] | |||||
| Number of bitcoin collateral | BITCOIN [Text Block] | 1,719,000 | 1,719,000 | 2,583 | ||
| Fair value of bitcoin | $ 100,607 | $ 100,607 | $ 294,648 | ||
| Gain related to bitcoin collateral | $ (16,506) | $ 31,354 | $ (158,964) | $ 73,847 | |