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STOCK-BASED COMPENSATION, Summary of Stock Options (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Indco [Member]    
Number of Options [Roll Forward]    
Outstanding, beginning balance (in shares) 38,961  
Granted (in shares) 7,018  
Exercised (in shares) (10,372)  
Outstanding, ending balance (in shares) 35,607 38,961
Exercisable, ending balance (in shares) 21,663  
Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning balance (in dollars per share) $ 10.28  
Granted (in dollars per share) 17.16  
Exercised (in dollars per share) 8.3  
Outstanding, ending balance (in dollars per share) 12.22 $ 10.28
Exercisable, ending balance (in dollars per share) $ 10.72  
Weighted Average Remaining Contractual Term [Abstract]    
Outstanding 6 years 8 months 1 day 6 years 7 months 13 days
Granted 9 years 3 months  
Exercisable 5 years 9 months  
Aggregate Intrinsic Value [Abstract]    
Outstanding, beginning balance $ 78,160  
Granted 0  
Outstanding, ending balance 175,980 $ 78,160
Exercisable, ending balance $ 139,470  
Share price (in dollars per share) $ 17.16  
Total unrecognized compensation expense $ 39,000  
Accrued compensation cost 311,000 361,000
Stock-based compensation $ 42,000 $ 67,000
Indco [Member] | Maximum [Member]    
Aggregate Intrinsic Value [Abstract]    
Weighted-average vesting period 2 years  
Stock Options [Member]    
Aggregate Intrinsic Value [Abstract]    
Share price (in dollars per share) $ 53.06  
Total unrecognized compensation expense $ 133,000  
Weighted-average vesting period 2 years  
Stock Options [Member] | Employee [Member]    
Number of Options [Roll Forward]    
Outstanding, beginning balance (in shares) 98,994  
Granted (in shares) 10,000  
Exercised (in shares) (78,001)  
Outstanding, ending balance (in shares) 30,993 98,994
Exercisable, ending balance (in shares) 13,497  
Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning balance (in dollars per share) $ 5.93  
Granted (in dollars per share) 23  
Exercised (in dollars per share) 5.44  
Outstanding, ending balance (in dollars per share) 12.68 $ 5.93
Exercisable, ending balance (in dollars per share) $ 7.08  
Weighted Average Remaining Contractual Term [Abstract]    
Outstanding 6 years 9 months 18 days 4 years 6 months
Granted 9 years  
Exercisable 4 years 7 months 6 days  
Aggregate Intrinsic Value [Abstract]    
Outstanding, beginning balance $ 1,689,380  
Granted 0  
Outstanding, ending balance 1,251,450 $ 1,689,380
Exercisable, ending balance $ 620,530