Note 3 - Loans and Allowance for Credit Losses - Loans Past Due (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024
Recorded investment	$ 762,795	$ 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	1,310	1,180
Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	350	98
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	830	671
Financial Asset, Past Due [Member]
Recorded investment	2,490	1,949
Financial Asset, Not Past Due [Member]
Recorded investment	760,305	757,165
Commercial Portfolio Segment [Member]
Recorded investment	130,327	127,811
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	209	0
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	174	0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	192	308
Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	575	308
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	129,752	127,503
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loans [Member]
Recorded investment	157,789	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	145,279	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	0	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	0	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	157,789	163,043
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	145,279	146,529
Farmland [Member]
Recorded investment	40,471	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	40,471	38,799
Land Development [Member]
Recorded investment	12,759	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	12,759	12,615
Residential Portfolio Segment [Member]
Recorded investment	197,754	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	584	294
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	40	0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	621	158
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	1,245	452
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	196,509	196,691
Consumer Portfolio Segment [Member]
Recorded investment	78,416	72,674
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	17	16
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	517	575
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	136	98
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	17	16
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	670	689
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	$ 77,746	$ 71,985