Note 13 - Income Taxes - Activity in Unrecognized Tax Benefits (Details) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Beginning Balance	$ 671,000	$ 554,000
Increases related to current year tax positions	114,000	117,000
Ending Balance	$ 785,000	$ 671,000