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STOCK-BASED COMPENSATION, Liability Classified Share-based Awards (Details) - USD ($)
12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Indco [Member]    
Aggregate Intrinsic Value [Abstract]    
Mandatorily redeemable non-controlling interest percentage 9.80% 9.80%
Indco [Member]    
Aggregate Intrinsic Value [Abstract]    
Share price (in dollars per share) $ 15.19  
Stock-based compensation $ 23,000 $ 42,000
Total unrecognized compensation expense 16,000  
Indco [Member] | Other Liabilities [Member]    
Aggregate Intrinsic Value [Abstract]    
Accrued compensation cost $ 334,000 $ 311,000
Indco [Member] | Maximum [Member]    
Aggregate Intrinsic Value [Abstract]    
Weighted-average vesting period 2 years  
Stock Options [Member] | Indco [Member]    
Share-based Payment Award, Fair Value Assumptions [Abstract]    
Risk-free interest rate   1.10%
Expected volatility   39.00%
Dividend yield   0.00%
Number of Options [Roll Forward]    
Outstanding, beginning balance (in shares) 35,607  
Granted (in shares) 0  
Exercised (in shares) 0  
Outstanding, ending balance (in shares) 35,607 35,607
Exercisable, ending balance (in shares) 28,613  
Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning balance (in dollars per share) $ 12.22  
Outstanding, ending balance (in dollars per share) 12.22 $ 12.22
Exercisable, ending balance (in dollars per share) $ 11.4  
Weighted Average Remaining Contractual Term [Abstract]    
Outstanding 5 years 9 months 3 days 6 years 8 months 1 day
Exercisable 5 years 3 months 18 days  
Aggregate Intrinsic Value [Abstract]    
Outstanding, beginning balance $ 175,980  
Outstanding, ending balance 119,940 $ 175,980
Exercisable, ending balance $ 113,200  
Stock Options [Member] | Indco [Member] | Minimum [Member]    
Share-based Payment Award, Fair Value Assumptions [Abstract]    
Expected option term in years   5 years 6 months
Weighted average grant date fair value (in dollars per share)   $ 5.57
Stock Options [Member] | Indco [Member] | Maximum [Member]    
Share-based Payment Award, Fair Value Assumptions [Abstract]    
Expected option term in years   6 years 6 months
Weighted average grant date fair value (in dollars per share)   $ 6.66