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8. INVESTMENTS - Reconciliation of carrying value of all investments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Summary of Investment Holdings [Line Items]      
Balance $ 726    
Balance 918 $ 726  
Interest Rate Swap Derivative [Member]      
Summary of Investment Holdings [Line Items]      
Balance 0 0 $ 0
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 0
Impairment loss     0
Unrealized loss on fair value recognized in Other comprehensive income 0 0 0
Unrealized loss on derivative asset (100)    
Balance (100) 0 0
ILAL Debt Securities [Member]      
Summary of Investment Holdings [Line Items]      
Balance 726 610 494
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 0
Impairment loss     0
Unrealized loss on fair value recognized in Other comprehensive income 192 116 116
Unrealized loss on derivative asset 0    
Balance 918 726 610
ILAL Derivative Asset [Member]      
Summary of Investment Holdings [Line Items]      
Balance 2,697 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)   (259) (1,950)
Impairment loss     0
Unrealized loss on fair value recognized in Other comprehensive income 0 0 0
Unrealized loss on derivative asset (865)    
Balance 1,832 2,697 2,956
ILAL Equity Asset [Member]      
Summary of Investment Holdings [Line Items]      
Balance 0 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)   0 (2)
Unrealized loss on fair value recognized in Other comprehensive income 0 0 0
Unrealized loss on derivative asset 0    
Balance 0 0 0
Law Clerk Equity Securities [Member]      
Summary of Investment Holdings [Line Items]      
Balance 0 0 250
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 0
Impairment loss     (250)
Unrealized loss on fair value recognized in Other comprehensive income 0 0 0
Unrealized loss on derivative asset 0    
Balance $ 0 $ 0 $ 0