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Note 7 - Goodwill and Other Intangibles - Core Deposit Intangibles (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2015
--- | --- | --- | ---
Core deposit intangible acquired in Peoples acquisition |  |  | $ 1,400,000
| $ 819,000 | $ 966,000 |
Core Deposits [Member] |  |  |
Core deposit intangible acquired in Peoples acquisition | 1,418,000 | 1,418,000 |
Less accumulated amortization | 599,000 | 452,000 |
| $ 819,000 | $ 966,000 |

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