Note 8 - Commitments and Contingencies - Schedule of Commitments (Details) - Commitments to Extend Credit [Member] - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Aggregate portfolio principal balance	$ 683,663	$ 605,385
Commercial Real Estate Portfolio Segment [Member]
Aggregate portfolio principal balance	185,894	207,056
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member]
Aggregate portfolio principal balance	2,001	2,204
Commercial Real Estate Portfolio Segment [Member] \| Commercial and Speculative Construction and Development [Member]
Aggregate portfolio principal balance	177,496	198,176
Commercial Real Estate Portfolio Segment [Member] \| Multifamily [Member]
Aggregate portfolio principal balance	6,397	6,676
Residential Portfolio Segment [Member]
Aggregate portfolio principal balance	204,378	166,261
Residential Portfolio Segment [Member] \| One-to-four Family Loan [Member]
Aggregate portfolio principal balance	61,421	28,977
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Aggregate portfolio principal balance	104,921	100,071
Residential Portfolio Segment [Member] \| Residential Custom Construction [Member]
Aggregate portfolio principal balance	38,036	37,213
Consumer Portfolio Segment [Member]
Aggregate portfolio principal balance	30,114	29,646
Commercial Business Portfolio Segment [Member]
Aggregate portfolio principal balance	263,277	202,422
Commercial Business Portfolio Segment [Member] \| Commercial And Industrial [Member]
Aggregate portfolio principal balance	190,188	160,277
Commercial Business Portfolio Segment [Member] \| Warehouse Lending Loan [Member]
Aggregate portfolio principal balance	$ 73,089	$ 42,145