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Note 21 - Subsequent Event (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Mar. 10, 2026
Apr. 30, 2026
Feb. 28, 2026
Dec. 31, 2025
Dec. 31, 2024
Other Noninterest Expense       $ 5,233,000 $ 3,386,000
Meriwether Hero Fund Partnership Investment [Member] | Forecast [Member]          
Redemption of Partnership Interest, Amount   $ 6,000,000      
Subsequent Event [Member]          
Subordinated Debt Investment Potentially in Payment Default $ 2,000,000        
Subsequent Event [Member] | Meriwether Capital Group [Member]          
Redemption of Partnership Interest, Amount     $ 150,000    
Closure of Banking Branch [Member]          
Other Noninterest Expense       631,000  
Compensation Expense, Excluding Cost of Good and Service Sold       $ 50,000