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Income Taxes - Income Tax Provision from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Loss before income tax provision	$ (8,589)	$ (10,503)
Income tax benefit at U.S. federal statutory rates	(1,804)	(2,206)
Tax effect of:
Foreign rate differential	(4)	46
Permanent items	59	36
State and local income taxes	4	5
Federal tax credits	(241)	(179)
Valuation allowance	1,943	2,303
Other	80	11
Income tax provision	$ 37	$ 16

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