Note 3 - Loans and Allowance for Credit Losses - Loans Past Due (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Jun. 30, 2025
Recorded investment	$ 872,392	$ 813,458
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	74	101
Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	1,101	379
Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	381	242
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	902	807
Financial Asset, Past Due [Member]
Recorded investment	2,384	1,428
Financial Asset, Not Past Due [Member]
Recorded investment	870,008	812,030
Commercial and Industrial [Member]
Recorded investment	139,162	113,513
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Commercial and Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	0	77
Commercial and Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	0	48
Commercial and Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	332	332
Commercial and Industrial [Member] | Financial Asset, Past Due [Member]
Recorded investment	332	457
Commercial and Industrial [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	138,830	113,056
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loans [Member]
Recorded investment	166,362	162,674
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	176,397	163,768
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	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, 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	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	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member] | Owner Occupied Loans [Member]
Recorded investment	0	0
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	166,362	162,674
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] | Non-owner Occupied Loans [Member]
Recorded investment	176,397	163,768
Farmland [Member]
Recorded investment	46,315	42,050
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	46,315	42,050
Land Development [Member]
Recorded investment	16,017	17,535
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	16,017	17,535
Residential Portfolio Segment [Member]
Recorded investment	208,667	201,602
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	917	57
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	329	161
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	496	374
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	1,742	592
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	206,925	201,010
Consumer Portfolio Segment [Member]
Recorded investment	119,472	112,316
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	74	101
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Recorded investment	184	245
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Recorded investment	52	33
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Recorded investment	74	101
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Recorded investment	310	379
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Recorded investment	$ 119,162	$ 111,937