v3.26.1
Note 13 - Shareholders' Equity (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
May 31, 2013
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval $ 64,247,000             $ 64,247,000        
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) $ 0.3 $ 0.3 $ 0.3 $ 0.27 $ 0.27 $ 0.27 $ 0.27 $ 0.3        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)               0 5,860 101,994    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               30,803 107,200 0    
Share-Based Payment Arrangement, Expense               $ 343,000 $ 393,000      
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets [1] 4.50%     4.50%       4.50% 4.50%      
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets [1] 0.06     0.06       0.06 0.06      
Capital Required for Capital Adequacy to Risk Weighted Assets [1] 0.08     0.08       0.08 0.08      
Tier One Leverage Capital Required for Capital Adequacy to Average Assets [1] 0.04     0.04       0.04 0.04      
Common Equity Tier One Risk Based Capital Required to Be Well Capitalized to Risk Weighted Assets 6.50%     6.50%       6.50% 6.50%      
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 0.08     0.08       0.08 0.08      
Capital Required to be Well Capitalized to Risk Weighted Assets 0.10     0.10       0.10 0.10      
Tier One Leverage Capital Required to be Well Capitalized to Average Assets 0.05     0.05       0.05 0.05      
Capital Conservation Buffer 2.50%             2.50%        
Asset Threshold to Qualify for the Policy Statement after Adopted Final Amendments to the Small Bank Holding Company Policy Statment $ 3,000,000,000             $ 3,000,000,000        
Restricted Stock Units (RSUs) [Member]                        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 0             $ 0        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)               0 3,033 0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)                 $ 34.07      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)                 1 year      
Share-Based Payment Arrangement, Expense               $ 14,000 $ 89,000      
Restricted Stock [Member]                        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount       $ 0         $ 0      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)               0 435 0 1,650  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)                 $ 46.04   $ 31  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)                     1 year  
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited (in shares)                   825    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)                   825    
Restricted Stock [Member] | Year 2024 [Member]                        
Share-Based Payment Arrangement, Expense                 $ 20,000      
Restricted Stock [Member] | Year 2022 [Member]                        
Share-Based Payment Arrangement, Expense               $ 0 $ 0 $ 4,000    
Stock Option Plan 2013 [Member]                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               0 0 0    
Stock Option Plan 2022 [Member]                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)                     576,550  
Common Stock, Capital Shares Reserved for Future Issuance (in shares)                       131,847
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)               30,803 107,200 0    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 774,000             $ 774,000        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)               3 years        
Stock Option Plan 2013 [Member]                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)                     126,550  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 0             $ 0        
[1] Does not include amounts required under the capital conservation buffer discussed above.