Note 4 - Premises and Equipment - Major Classifications of Premises and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Premises and equipment, gross	$ 27,244	$ 26,404
Accumulated depreciation and amortization	(10,317)	(9,222)
Premises and equipment, net	16,927	17,182
Land [Member]
Premises and equipment, gross	2,417	2,417
Land Improvements [Member]
Premises and equipment, gross	472	414
Building And Leasehold Improvements [Member]
Premises and equipment, gross	15,944	15,973
Furniture and Fixtures [Member]
Premises and equipment, gross	$ 8,411	$ 7,600