Debt and Subsequent Event - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Finance lease obligations	$ 177	$ 192
Total debt	20,648	19,050
Less – current maturities	(17,339)	(15,542)
Total long-term debt	3,309	3,508
Unamortized debt issuance costs	(15)	(20)
Other, net of unamortized debt issuance costs $(15) and $(20), respectively
Debt Instrument [Line Items]
Long-term debt, gross	486	594
Revolving credit agreement | Revolving credit agreement
Debt Instrument [Line Items]
Long-term debt, gross	13,003	11,163
Foreign subsidiary borrowings
Debt Instrument [Line Items]
Long-term debt, gross	$ 6,982	$ 7,101