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Note 2 - Securities (Details Textual) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
Weighted Average Re-pricing Term (Year) | 5 years 4 months 24 days | 3 years 6 months
Proceeds from Sale of Held-to-maturity Securities | $ 0 |
Other Assets [Member] |  |
Equity Securities without Readily Determinable Fair Value, Amount | $ 454 | $ 529
US Agency and Mortgage-backed Securities [Member] |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 26 | 7
Available-for-Sale Securities, Number of Securities | 112 | 101
Municipal Bonds [Member] |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 20 | 1
Available-for-Sale Securities, Number of Securities | 103 | 84

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