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Note 4 - Allowance for Credit Losses- Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Loans	$ 994,720	$ 969,430	$ 952,499
Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	61,446	52,680	50,405
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	351,004	344,369	340,773
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	449,746	447,272	$ 433,177
Real Estate [Member] | Real Estate 1 [Member]
Loans	874	533
Real Estate [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	34	38
Real Estate [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	840	495
Real Estate [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	0	0
Real Estate [Member] | Real Estate 1 [Member] | Commercial and Industrial Loans [Member]
Loans	0	0
Non Real Estate [Member] | Real Estate 1 [Member]
Loans	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	0	0
Non Real Estate [Member] | Real Estate 1 [Member] | Commercial and Industrial Loans [Member]
Loans	0	0
Collateral Pledged [Member] | Real Estate 1 [Member]
Loans	874	533
Collateral Pledged [Member] | Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	34	38
Collateral Pledged [Member] | Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	840	495
Collateral Pledged [Member] | Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	0	0
Collateral Pledged [Member] | Real Estate 1 [Member] | Commercial and Industrial Loans [Member]
Loans	$ 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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