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STOCK-BASED COMPENSATION, Employee Stock Options (Details) - Stock Options [Member] - Employee [Member] - USD ($)
12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Share-based Payment Award, Fair Value Assumptions [Abstract]    
Risk-free interest rate 3.98% 1.10%
Expected volatility 93.60%  
Dividend yield 0.00% 0.00%
Number of Options [Roll Forward]    
Outstanding, beginning balance (in shares) 30,993  
Granted (in shares) 10,000  
Outstanding, ending balance (in shares) 40,993 30,993
Exercisable, ending balance (in shares) 21,831  
Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning balance (in dollars per share) $ 12.68  
Granted (in dollars per share) 53.06  
Outstanding, ending balance (in dollars per share) 22.53 $ 12.68
Exercisable, ending balance (in dollars per share) $ 9.95  
Weighted Average Remaining Contractual Term [Abstract]    
Outstanding 6 years 7 months 6 days 6 years 9 months 18 days
Granted 9 years 3 months 18 days  
Exercisable 4 years 10 months 24 days  
Aggregate Intrinsic Value [Abstract]    
Outstanding, beginning balance $ 1,251,450  
Granted 0  
Outstanding, ending balance 482,490 $ 1,251,450
Exercisable, ending balance $ 399,400  
Share price (in dollars per share) $ 28.25  
Total unrecognized compensation expense $ 338,000  
Weighted-average vesting period 2 years  
Minimum [Member]    
Share-based Payment Award, Fair Value Assumptions [Abstract]    
Expected option term in years 5 years 6 months 5 years 6 months
Expected volatility   100.30%
Weighted average grant date fair value (in dollars per share) $ 30.06 $ 17.6
Maximum [Member]    
Share-based Payment Award, Fair Value Assumptions [Abstract]    
Expected option term in years 6 years 6 months 6 years 6 months
Expected volatility   110.30%
Weighted average grant date fair value (in dollars per share) $ 41.24 $ 19.07