Note 4 - Property and Equipment, Net (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Depreciation	$ 244	$ 230
Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)	7 years
Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Software and Software Development Costs [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	1 year
Software and Software Development Costs [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years