Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Finance lease obligations	$ 113	$ 142
Less: unamortized debt issuance cost - ($617 is related party)	(638)	0
Total debt	31,213	22,566
Less – current maturities	(27,138)	(20,109)
Total long-term debt	4,075	2,457
Promissory note | Director
Debt Instrument [Line Items]
Long-term debt, gross	3,256	0
Less: unamortized debt issuance cost - ($617 is related party)	(617)
Other, net of unamortized debt issuance costs $(5) and $(9), respectively
Debt Instrument [Line Items]
Long-term debt, gross	308	364
Unamortized debt issuance costs	(5)	(9)
Revolving credit agreement | Revolving credit agreement
Debt Instrument [Line Items]
Long-term debt, gross	17,518	16,289
Foreign subsidiary borrowings, net of unamortized debt issuance cost
Debt Instrument [Line Items]
Long-term debt, gross	10,656	5,771
Foreign subsidiary borrowings, net of unamortized debt issuance cost | Other, net of unamortized debt issuance costs $(5) and $(9), respectively
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (89)	$ 0