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SUBORDINATED PROMISSORY NOTES - RELATED PARTY, Summary (Details)
$ in Thousands
6 Months Ended
Mar. 31, 2022
USD ($)
qtr
Note
Installment
Sep. 30, 2021
USD ($)
Long-term Debt, Excluding Current Maturities [Abstract]    
Current portion of subordinated promissory notes $ 475 $ 550
Long-term portion of subordinated promissory notes $ 5,570 5,525
ICT Subordinated Promissory Note [Member]    
Long-term Debt, Excluding Current Maturities [Abstract]    
Annual fixed interest rate percentage 0.50%  
Face amount of debt $ 1,850  
Number of consecutive installments | Installment 16  
Frequency of periodic payment quarterly  
Debt instrument maturity date Mar. 21, 2025  
Outstanding amount $ 945 1,237
Current portion of subordinated promissory notes 475 550
Long-term portion of subordinated promissory notes $ 470 687
ELFS Subordinated Promissory Notes [Member]    
Long-term Debt, Excluding Current Maturities [Abstract]    
Annual fixed interest rate percentage 4.00%  
Face amount of debt $ 6,000  
Number of consecutive installments | Installment 12  
Frequency of periodic payment quarterly  
Outstanding amount $ 5,100  
Number of subordinated promissory notes | Note 4  
Working capital adjustment $ (900)  
Number of consecutive calendar quarters of payment from October 15, 2021 | qtr 8  
Number of consecutive calendar quarters of payment from October 15, 2023 | qtr 12  
Long-term portion of subordinated promissory notes $ 5,100 $ 4,838