Note 4 - Premises and Equipment (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Depreciation	$ 1,095	$ 1,051
Operating Lease, Weighted Average Remaining Lease Term (Year)	7 years 3 months
Operating Lease, Weighted Average Discount Rate, Percent	1.94%
Operating Lease, Expense	$ 245	$ 254
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Premises and equipment, net
Operating Lease, Right-of-Use Asset	$ 777
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Accrued interest payable and other liabilities
Operating Lease, Liability	$ 809