Note 8 - Major Classes of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items]
Loans	$ 1,122,908	$ 1,093,771
Net unearned (fees) costs	(292)	(238)
Allowance for credit losses on loans	(8,738)	(8,852)
Loans receivable, net	1,113,878	1,084,681
State and Political Subdivisions [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	17,970	18,708
Commercial Portfolio Segment [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	946,926	919,415
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	148,356	137,086
Commercial Portfolio Segment [Member] | Construction and Land Development [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	117,535	116,173
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-Family Properties [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	110,402	109,193
Commercial Portfolio Segment [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	164,828	160,695
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	276,049	265,101
Commercial Portfolio Segment [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	6,483	5,442
Commercial Portfolio Segment [Member] | Real Estate Secured By 1st Lien on 1-4 Family Properties-Business [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	102,339	103,572
Commercial Portfolio Segment [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Business [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	2,964	3,445
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	17,970	18,708
Retail Portfolio Segment [Member] | Revolving Home Equity Secured By 1-4 Family Properties-Personal [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	44,619	34,231
Retail Portfolio Segment [Member] | Real Estate Secured By First Lein on 1-4 Family Properties-Personal [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	7,385	11,981
Retail Portfolio Segment [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Personal [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	11,540	15,625
Retail Portfolio Segment [Member] | Student Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	1,605	1,662
Retail Portfolio Segment [Member] | Overdrafts [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	166	194
Retail Portfolio Segment [Member] | Other Consumer [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	1,784	1,757
Retail Portfolio Segment [Member] | Family Residential Mortgages [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans	$ 108,883	$ 108,906