Income and Other Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Income tax expense	$ 86,000	$ 54,000	$ 114,000	$ 148,000
Effective tax rate on continuing operations	1.10%	0.60%	0.90%	0.90%
Interest and penalties accrued as tax liabilities	$ 0		$ 0		$ 0
Uncertain tax reserve, period increase (decrease)	$ 0	$ 0	$ 0	$ 0