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Debt and Subsequent Event - Schedule of Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Sep. 30, 2022
Debt Instrument [Line Items]    
Finance lease obligations $ 193 $ 192
Total debt 19,856 19,050
Less – current maturities (16,314) (15,542)
Total long-term debt 3,542 3,508
Unamortized debt issuance costs (18) (20)
Other, net of unamortized debt issuance costs $(18) and $(20), respectively    
Debt Instrument [Line Items]    
Long-term debt, gross 538 594
Revolving credit agreement | Revolving credit agreement    
Debt Instrument [Line Items]    
Long-term debt, gross 11,546 11,163
Foreign subsidiary borrowings    
Debt Instrument [Line Items]    
Long-term debt, gross $ 7,579 $ 7,101