Note 3 - Loans and Allowance for Credit Losses - Loans Past Due (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Recorded investment	$ 767,829	$ 759,114
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	17	84
Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	1,813	1,180
Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	123	98
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	724	671
Financial Asset, Past Due [Member]
Recorded investment	2,660	1,949
Financial Asset, Not Past Due [Member]
Recorded investment	765,169	757,165
Commercial Portfolio Segment [Member]
Recorded investment	98,941	127,811
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	8	0
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	132	0
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	0	0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	335	308
Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	467	308
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	98,474	127,503
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loans [Member]
Recorded investment	158,825	163,543
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied Loans [Member]
Recorded investment	158,839	146,529
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	564	311
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	0	189
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	564	500
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	158,261	163,043
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	158,839	146,529
Farmland [Member]
Recorded investment	41,020	38,799
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Farmland [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	0	0
Farmland [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	0	0
Farmland [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	0	0
Farmland [Member] | Financial Asset, Past Due [Member]
Recorded investment	0	0
Farmland [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	41,020	38,799
Land Development [Member]
Recorded investment	12,724	12,615
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Land Development [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	0	0
Land Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	0	0
Land Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	0	0
Land Development [Member] | Financial Asset, Past Due [Member]
Recorded investment	0	0
Land Development [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	12,724	12,615
Residential Portfolio Segment [Member]
Recorded investment	200,253	197,143
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	68
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	879	294
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	31	0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	380	158
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	1,290	452
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	198,963	196,691
Consumer Portfolio Segment [Member]
Recorded investment	97,227	72,674
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	9	16
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	238	575
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	92	98
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	9	16
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	339	689
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	$ 96,888	$ 71,985