Note 3 - Loans and Allowance for Credit Losses - Loans Past Due (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023
Recorded investment	$ 735,227	$ 711,960
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	20	50
Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	1,005	455
Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	216	244
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	385	104
Financial Asset, Past Due [Member]
Recorded investment	1,606	803
Financial Asset, Not Past Due [Member]
Recorded investment	733,621	711,157
Commercial Portfolio Segment [Member]
Recorded investment	112,073	112,826
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	0	0
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	25	0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	0	0
Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	25	0
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	112,048	112,826
Commercial Real Estate Portfolio Segment [Member]
Recorded investment		342,701
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loans [Member]
Recorded investment	157,286	158,437
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Recorded investment		23,996
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing		0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied Loans [Member]
Recorded investment	148,598	23,888
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Real Estate Loans [Member]
Recorded investment		318,705
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing		0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	0	17
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Recorded investment		0
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, 30 to 59 Days Past Due [Member] | Other Commercial Real Estate Loans [Member]
Recorded investment		0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	0	124
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member]
Recorded investment		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, 60 to 89 Days Past Due [Member] | Other Commercial Real Estate Loans [Member]
Recorded investment		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	51	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member]
Recorded investment		0
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	3
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Commercial Real Estate Loans [Member]
Recorded investment		51
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	51	141
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Construction Loans [Member]
Recorded investment		0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	0	3
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Other Commercial Real Estate Loans [Member]
Recorded investment		51
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	157,235	158,296
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Construction Loans [Member]
Recorded investment		23,996
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	148,598	23,885
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Other Commercial Real Estate Loans [Member]
Recorded investment		318,654
Farmland [Member]
Recorded investment	40,564
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0
Farmland [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment
Farmland [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment
Farmland [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment
Farmland [Member] | Financial Asset, Past Due [Member]
Recorded investment
Farmland [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	40,564
Land Development [Member]
Recorded investment	11,515
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0
Land Development [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	0
Land Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	0
Land Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	0
Land Development [Member] | Financial Asset, Past Due [Member]
Recorded investment	0
Land Development [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	11,515
Residential Portfolio Segment [Member]
Recorded investment	193,196	190,839
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0
Residential Portfolio Segment [Member] | Construction Loans [Member]
Recorded investment		8,514
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing		0
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	241
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Recorded investment		0
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	40
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member]
Recorded investment		0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	314
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member]
Recorded investment		0
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	595
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Construction Loans [Member]
Recorded investment		0
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	192,601
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Construction Loans [Member]
Recorded investment		8,514
Consumer Portfolio Segment [Member]
Recorded investment	71,995	65,594
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	20	50
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	764	438
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	151	120
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	20	50
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	935	608
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	$ 71,060	$ 64,986