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Note 9 - Commitments and Contingencies - Schedule of Commitments (Details) - Commitments to Extend Credit [Member] - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Aggregate portfolio principal balance	$ 582,550	$ 535,032
Real Estate Portfolio Segment [Member]
Aggregate portfolio principal balance	347,249	278,805
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Aggregate portfolio principal balance	964	3,472
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Aggregate portfolio principal balance	195,775	154,611
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member]
Aggregate portfolio principal balance	49,866	23,751
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member]
Aggregate portfolio principal balance	97,751	94,026
Real Estate Portfolio Segment [Member] | Multifamily [Member]
Aggregate portfolio principal balance	2,893	2,945
Consumer Portfolio Segment [Member]
Aggregate portfolio principal balance	28,886	29,517
Commercial Business Portfolio Segment [Member]
Aggregate portfolio principal balance	206,415	226,710
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member]
Aggregate portfolio principal balance	155,200	164,873
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member]
Aggregate portfolio principal balance	$ 51,215	$ 61,837

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