v3.26.3
Note 11 - Derivative Financial Instruments - Schedule of Derivative Instruments (Details) - Interest Rate Swap [Member] - USD ($)
Oct. 30, 2026
Sep. 30, 2026
Dec. 31, 2025
Notional amount fair value hedge $ 105,000,000   $ 88,700,000
Fair Value Hedging [Member]      
Notional amount fair value hedge   $ 100,000,000 $ 100,000,000
Fixed pay rates     4.35%
Variable SOFR receive rates     3.87%
Remaining maturity (in years) (Year)     7 months 6 days
Fair value     $ (529,000)