Income Taxes - Schedule of Components of Loss from Continuing Operations Before Income Tax Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
U.S.	$ (10,260)	$ (6,985)
Non-U.S.	1,727	(2,698)
Loss before income tax expense (benefit)	$ (8,533)	$ (9,683)