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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