Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Finance lease obligations	$ 96	$ 142
Less: unamortized debt issuance cost - (Related party is $387)	(397)	0
Total debt	32,794	22,566
Less – current maturities	(29,174)	(20,109)
Total long-term debt	3,620	2,457
Promissory note - related party | Director
Debt Instrument [Line Items]
Long-term debt, gross	3,366	0
Less: unamortized debt issuance cost - (Related party is $387)	(387)
Other, net of unamortized debt issuance costs $0 and $(9), respectively
Debt Instrument [Line Items]
Long-term debt, gross	314	364
Unamortized debt issuance costs	0	(9)
Revolving credit agreement | Revolving credit agreement
Debt Instrument [Line Items]
Long-term debt, gross	19,693	16,289
Foreign subsidiary borrowings, net of unamortized debt issuance cost
Debt Instrument [Line Items]
Long-term debt, gross	9,722	5,771
Foreign subsidiary borrowings, net of unamortized debt issuance cost | Other, net of unamortized debt issuance costs $0 and $(9), respectively
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (79)	$ 0