Debt - Schedule of Debt (Details) - USD ($)	Jun. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Total debt	$ 11,385,000	$ 24,005,000
Finance lease obligations	108,000	0
Less — current maturities	(11,323,000)	(24,005,000)
Long-term finance lease, net of short-term	62,000	0
Promissory note — related party | Director
Debt Instrument [Line Items]
Total debt	0	3,510,000
Other
Debt Instrument [Line Items]
Total debt	364,000	353,000
Revolving credit agreement | Revolving credit agreement
Debt Instrument [Line Items]
Total debt	8,372,000	20,142,000
Secured Debt | Revolving credit agreement
Debt Instrument [Line Items]
Total debt	2,541,000	0
Unamortized debt issuance costs	$ 58,000	$ 0