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6. INVESTMENTS - Reconciliation of carrying value of all investments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Summary of Investment Holdings [Line Items] |  |
Balance | $ 610 |
Balance | 726 | $ 610
ILAL Debt Securities [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Balance | 610 | 494
Shares sold during the year |  | 0
Realized gain on fair value recognized in other income (expense) |  | 0
Unrealized loss recognized in other income (expense) |  | 0
Unrealized loss on fair value recognized in Other comprehensive income | 116 | 116
Unrealized loss on derivative asset | 0 |
Balance | 726 | 610
ILAL Derivative Asset [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Balance | 2,956 | 4,906
Shares sold during the year |  | 0
Realized gain on fair value recognized in other income (expense) |  | 0
Unrealized loss recognized in other income (expense) |  | (1,950)
Unrealized loss on fair value recognized in Other comprehensive income | 0 |
Unrealized loss on derivative asset | (259) |
Balance | 2,697 | 2,956
ILAL Equity Asset [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Balance | 0 | 11
Shares sold during the year |  | (10)
Realized gain on fair value recognized in other income (expense) |  | 1
Unrealized loss recognized in other income (expense) |  | (2)
Balance | 0 | 0
Law Clerk Equity Securities [Member] |  |
Summary of Investment Holdings [Line Items] |  |
Balance | 0 | 250
Shares sold during the year |  | 0
Realized gain on fair value recognized in other income (expense) |  | 0
Impairment loss |  | (250)
Balance | $ 0 | $ 0

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