Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Debt Instrument [Line Items]
Finance lease obligations	$ 132	$ 142
Less: unamortized debt issuance cost - ($910 is related party)	(940)	0
Total debt	27,689	22,566
Less – current maturities	(23,296)	(20,109)
Total long-term debt	4,393	2,457
Subordinated note | Director
Debt Instrument [Line Items]
Long-term debt, gross	3,150	0
Less: unamortized debt issuance cost - ($910 is related party)	(910)
Other, net of unamortized debt issuance costs $(6) and $(9), respectively
Debt Instrument [Line Items]
Long-term debt, gross	311	364
Revolving credit agreement | Revolving credit agreement
Debt Instrument [Line Items]
Long-term debt, gross	16,061	16,289
Foreign subsidiary borrowings, net of unamortized debt issuance cost
Debt Instrument [Line Items]
Long-term debt, gross	$ 8,975	$ 5,771