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SUPPLEMENTAL BALANCE SHEET INFORMATION - Other liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Sep. 30, 2021
Other liabilities.    
Long-term customer deposits $ 871  
Accrued pension liability 286  
Long-term finance leases 37 $ 39
Long-term portion of contingent liability 473 473
Other 246  
Other liabilities $ 1,913 $ 512