Note 3 - Securities - Proceeds From Sales and Calls of Available-for-sale Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Proceeds from sales and calls	$ 1,000	$ 2,733	$ 1,000	$ 2,733
Gross realized gains	2	31	2	31
Gross realized losses	$ 0	$ 23	$ 0	$ 23