Note 11 - Shareholders' Equity - Options Granted (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Deferred Tax Recognized	$ 189	$ 188
Plan 1989 [Member]
Granted (in shares)	0	125,100
Weighted Average Grant Date Fair Value per Common Share (in dollars per share)	$ 0	$ 1.06
Compensation Expense Recognized	$ 9,000	$ 124,000
Deferred Tax Recognized	$ 2,000	$ 26,000