Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Loans and Allowance for Credit Losses - Schedule of Collateral Dependent Loans (Details)

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Note 3 - Loans and Allowance for Credit Losses - Schedule of Collateral Dependent Loans (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Total loans $ 1,342,208 $ 1,338,386    
Allowance for credit loss 17,440 17,442 $ 16,794 $ 15,285
Real Estate [Member]        
Total loans 1,440 1,454    
Other Collateral Loan [Member]        
Total loans 0 0    
Collateral Pledged [Member]        
Allowance for credit loss 14 17    
Commercial Portfolio Segment [Member]        
Total loans 516,400 506,974    
Allowance for credit loss 6,758 6,871 7,124 5,596
Commercial Portfolio Segment [Member] | Real Estate [Member]        
Total loans 0 0    
Commercial Portfolio Segment [Member] | Other Collateral Loan [Member]        
Total loans 0 0    
Commercial Portfolio Segment [Member] | Collateral Pledged [Member]        
Allowance for credit loss 0 0    
Commercial Real Estate Portfolio Segment [Member]        
Total loans 572,769 585,099    
Allowance for credit loss 6,976 7,164 6,770 7,180
Commercial Real Estate Portfolio Segment [Member] | Residential Developed [Member]        
Total loans 4,977 5,809    
Commercial Real Estate Portfolio Segment [Member] | Unsecured to Residential Developers [Member]        
Total loans 0 800    
Commercial Real Estate Portfolio Segment [Member] | Vacant and Unimproved [Member]        
Total loans 38,895 39,534    
Commercial Real Estate Portfolio Segment [Member] | Commercial Development [Member]        
Total loans 78 84    
Commercial Real Estate Portfolio Segment [Member] | Residential Improved [Member]        
Total loans 107,860 123,875    
Commercial Real Estate Portfolio Segment [Member] | Commercial Improved [Member]        
Total loans 261,256 260,188    
Commercial Real Estate Portfolio Segment [Member] | Manufacturing and Industrial [Member]        
Total loans 159,703 154,809    
Commercial Real Estate Portfolio Segment [Member] | Unsecured Financing Receivable [Member]        
Total loans 0 800    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member]        
Total loans 1,440 1,454    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] | Residential Developed [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] | Unsecured to Residential Developers [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] | Vacant and Unimproved [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] | Commercial Development [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] | Residential Improved [Member]        
Total loans 25 26    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] | Commercial Improved [Member]        
Total loans 289 292    
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] | Manufacturing and Industrial [Member]        
Total loans 1,126 1,136    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member] | Residential Developed [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member] | Unsecured to Residential Developers [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member] | Vacant and Unimproved [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member] | Commercial Development [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member] | Residential Improved [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member] | Commercial Improved [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Loan [Member] | Manufacturing and Industrial [Member]        
Total loans 0 0    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member]        
Allowance for credit loss 14 17    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] | Residential Developed [Member]        
Allowance for credit loss 0 0    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] | Unsecured to Residential Developers [Member]        
Allowance for credit loss 0 0    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] | Vacant and Unimproved [Member]        
Allowance for credit loss 0 0    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] | Commercial Development [Member]        
Allowance for credit loss 0 0    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] | Residential Improved [Member]        
Allowance for credit loss 0 0    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] | Commercial Improved [Member]        
Allowance for credit loss 14 17    
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member] | Manufacturing and Industrial [Member]        
Allowance for credit loss 0 0    
Consumer Portfolio Segment [Member]        
Total loans 253,039 246,313    
Allowance for credit loss 3,586 3,375 $ 2,818 $ 2,458
Consumer Portfolio Segment [Member] | Residential Mortgage [Member]        
Total loans 195,923 189,818    
Consumer Portfolio Segment [Member] | Unsecured Financing Receivable [Member]        
Total loans 89 129    
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]        
Total loans 53,751 53,039    
Consumer Portfolio Segment [Member] | Other Financing Receivables [Member]        
Total loans 3,276 3,327    
Consumer Portfolio Segment [Member] | Real Estate [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Real Estate [Member] | Residential Mortgage [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Real Estate [Member] | Unsecured Financing Receivable [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Real Estate [Member] | Home Equity Loan [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Real Estate [Member] | Other Financing Receivables [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Other Collateral Loan [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Other Collateral Loan [Member] | Residential Mortgage [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Other Collateral Loan [Member] | Unsecured Financing Receivable [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Other Collateral Loan [Member] | Home Equity Loan [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Other Collateral Loan [Member] | Other Financing Receivables [Member]        
Total loans 0 0    
Consumer Portfolio Segment [Member] | Collateral Pledged [Member]        
Allowance for credit loss 0 0    
Consumer Portfolio Segment [Member] | Collateral Pledged [Member] | Residential Mortgage [Member]        
Allowance for credit loss 0 0    
Consumer Portfolio Segment [Member] | Collateral Pledged [Member] | Unsecured Financing Receivable [Member]        
Allowance for credit loss 0 0    
Consumer Portfolio Segment [Member] | Collateral Pledged [Member] | Home Equity Loan [Member]        
Allowance for credit loss 0 0    
Consumer Portfolio Segment [Member] | Collateral Pledged [Member] | Other Financing Receivables [Member]        
Allowance for credit loss $ 0 $ 0