Debt and Subsequent Event - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Finance lease obligations	$ 162	$ 192
Total debt	23,336	19,050
Less – current maturities	(20,342)	(15,542)
Total long-term debt	2,994	3,508
Unamortized debt issuance costs	(12)	(20)
Other, net of unamortized debt issuance costs $(12) and $(20), respectively
Debt Instrument [Line Items]
Long-term debt, gross	423	594
Revolving credit agreement | Revolving credit agreement
Debt Instrument [Line Items]
Long-term debt, gross	14,948	11,163
Foreign subsidiary borrowings
Debt Instrument [Line Items]
Long-term debt, gross	$ 7,803	$ 7,101