Note 5 - Premises and Equipment - Major Classifications of Premises and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Premises and equipment, gross	$ 26,404	$ 24,816
Accumulated depreciation and amortization	(9,222)	(8,296)
Premises and equipment, net	17,182	16,521
Land [Member]
Premises and equipment, gross	2,417	1,685
Land Improvements [Member]
Premises and equipment, gross	414	318
Building And Leasehold Improvements [Member]
Premises and equipment, gross	15,973	15,608
Furniture and Fixtures [Member]
Premises and equipment, gross	$ 7,600	$ 7,206