Note 17 - Income Taxes - Computation of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Current
Federal	$ 0	$ 0
Foreign	361	55
State	58	41
Current Income Tax Expense (Benefit)	419	96
Deferred:
Federal	0	0
Foreign	(31)	18
Deferred Income Tax Expense (Benefit)	(31)	18
Income Tax Expense (Benefit)	$ 388	$ 114