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Note 8 - Business Combination, Goodwill and Other Intangible Assets - Schedule of Finite-lived Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Core deposit intangible, net | $ 343 | $ 623 |
Core Deposits [Member] |  |  |
Gross Intangible asset | 748 | 748 | $ 748
Accumulated amortization | (199) | (125) | (50)
Impairment | (206) |  |
Core deposit intangible, net | $ 343 | $ 623 | $ 698

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