Note 5 - Premises and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Depreciation, Total	$ 991	$ 940
Operating Lease, Weighted Average Remaining Lease Term (Month)	75 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	1.78%
Operating Lease, Expense	$ 228	205
Premises and Equipment [Member]
Operating Lease, Right-of-Use Asset	$ 1,029	$ 1,177