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Note 4 - Allowance for Credit Losses- Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Loans	$ 972,974	$ 969,430	$ 917,967
Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	53,364	52,680	48,610
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	347,014	344,369	334,302
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	445,085	447,272	416,001
Real Estate [Member] | Real Estate 1 [Member]
Loans	812	533	1,591
Real Estate [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	37	38	1,044
Real Estate [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	775	495	474
Real Estate [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	0	0	73
Real Estate [Member] | Real Estate 1 [Member] | Commercial and Industrial Loans [Member]
Loans	0	0	0
Non Real Estate [Member] | Real Estate 1 [Member]
Loans	0	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	0	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	0	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	0	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Commercial and Industrial Loans [Member]
Loans	0	0	0
Collateral Pledged [Member] | Real Estate 1 [Member]
Loans	812	533	1,591
Collateral Pledged [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	37	38	1,044
Collateral Pledged [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	775	495	474
Collateral Pledged [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	0	0	73
Collateral Pledged [Member] | Real Estate 1 [Member] | Commercial and Industrial Loans [Member]
Loans	$ 0	$ 0	$ 0

X

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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