Note 8 - Loans Receivable, Net - Summary of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Loans	$ 703,239	$ 700,637
Collateral Pledged [Member]
Loans	5,422	5,726
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans	110,405	109,928
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Collateral Pledged [Member]
Loans	829	1,156
Commercial Real Estate Portfolio Segment [Member] | Residential Mortgage [Member]
Loans	208,055	203,650
Commercial Real Estate Portfolio Segment [Member] | Residential Mortgage [Member] | Collateral Pledged [Member]
Loans	795	849
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loans	290,218	288,509
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Collateral Pledged [Member]
Loans	3,510	3,426
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member]
Loans	39,317	37,837
Consumer Portfolio Segment [Member] | Home Equity Line of Credit [Member] | Collateral Pledged [Member]
Loans	$ 288	$ 295