Note 3 - Loans and Allowance for Credit Losses - Major Classifications (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Gross loans	$ 937,533	$ 813,458
Less allowance for credit losses	(9,265)	(8,470)	$ (7,930)
Net loans	928,268	804,988
Commercial Portfolio Segment [Member]
Gross loans	150,768	113,513
Commercial Real Estate Portfolio Segment [Member]
Less allowance for credit losses	(3,648)	(3,446)	(3,650)
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loans [Member]
Gross loans	179,197	162,674
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied Loans [Member]
Gross loans	179,333	163,768
Farmland [Member]
Gross loans	47,293	42,050
Less allowance for credit losses	(105)	(118)	(89)
Land Development [Member]
Gross loans	17,714	17,535
Less allowance for credit losses	(212)	(266)	(174)
Residential Portfolio Segment [Member]
Gross loans	215,577	201,602
Less allowance for credit losses	(1,946)	(2,010)	(2,018)
Consumer Portfolio Segment [Member]
Gross loans	147,651	112,316
Less allowance for credit losses	$ (1,820)	$ (1,381)	$ (855)