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Note 12 - Fair Value Measurement - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Loans individually evaluated | $ 94,792 | $ 95,667
Other real estate owned and repossessed assets | 311 | 2,531
Total assets at fair value | 95,103 | 98,198
Fair Value, Inputs, Level 1 [Member] |  |
Loans individually evaluated | 0 | 0
Other real estate owned and repossessed assets | 0 | 0
Total assets at fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Loans individually evaluated | 0 | 0
Other real estate owned and repossessed assets | 0 | 0
Total assets at fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Loans individually evaluated | 94,792 | 95,667
Other real estate owned and repossessed assets | 311 | 2,531
Total assets at fair value | $ 95,103 | $ 98,198

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