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Note 2 - Loans and Allowance for Credit Losses - Loans and Allowance for Loan Losses by Evaluation Method (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Dec. 31, 2021
Allowance for loan losses Individually evaluated $ 434 $ 0    
Allowance for loan losses Collectively evaluated 10,216 8,225    
Allowance for loan losses 10,650 8,225 $ 7,788 $ 7,674
Loans, Individually evaluated 4,130      
Loans, Collectively evaluated 853,266      
Loans 857,396 853,193    
Real Estate Construction Portfolio Segment[Member]        
Allowance for loan losses Individually evaluated 1 0    
Allowance for loan losses Collectively evaluated 450 450    
Allowance for loan losses 451 450 593 422
Loans, Individually evaluated 294      
Loans, Collectively evaluated 53,758 54,579    
Loans 54,052 54,579    
Consumer Real Estate Portfolio Segment [Member]        
Allowance for loan losses Individually evaluated 84 0    
Allowance for loan losses Collectively evaluated 3,218 2,199    
Allowance for loan losses 3,302 2,199 1,935 1,930
Loans, Individually evaluated 1,061 186    
Loans, Collectively evaluated 222,377 220,866    
Loans 223,438 221,052    
Commercial Real Estate Portfolio Segment [Member]        
Allowance for loan losses Individually evaluated 201 0    
Allowance for loan losses Collectively evaluated 4,173 3,642    
Allowance for loan losses 4,374 3,642 3,423 3,121
Loans, Individually evaluated 2,480 2,583    
Loans, Collectively evaluated 436,363 435,305    
Loans 438,843 437,888    
Commercial Non Real Estate Segment [Member]        
Allowance for loan losses Individually evaluated 148 0    
Allowance for loan losses Collectively evaluated 1,046 930    
Allowance for loan losses 1,194 930 944 1,099
Loans, Individually evaluated 295 263    
Loans, Collectively evaluated 60,221 57,389    
Loans 60,516 57,652    
Public Sector and IDA Portfolio Segment[Member]        
Allowance for loan losses Individually evaluated 0 0    
Allowance for loan losses Collectively evaluated 294 319    
Allowance for loan losses 294 319 307 297
Loans, Collectively evaluated 47,359 48,074    
Loans 47,359 48,074    
Consumer Non Real Estate Portfolio Segment [Member]        
Allowance for loan losses Individually evaluated 0 0    
Allowance for loan losses Collectively evaluated 555 506    
Allowance for loan losses 555 506 415 444
Loans, Collectively evaluated 33,188 33,948    
Loans 33,188 33,948    
Unallocated Financing Receivables [Member]        
Allowance for loan losses Individually evaluated 0 0    
Allowance for loan losses Collectively evaluated 480 179    
Allowance for loan losses $ 480 179 $ 171 $ 361
Loans, Individually evaluated   3,032    
Loans, Collectively evaluated   850,161    
Loans   $ 853,193