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Note 14 - Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred tax assets: |  |
Allowance for loan losses | $ 2,080 | $ 2,005
Other deferred tax assets | 2,173 | 2,049
Total deferred tax assets | 4,893 | 5,199
Deferred tax liabilities: |  |
Unrealized holding gains on securities | 934 | 0
Bank premises and equipment | 763 | 907
Core deposit intangibles | 272 | 2
Other deferred tax liabilities | 257 | 143
Total deferred tax liabilities | 2,275 | 1,089
Deferred tax asset, net | 2,618 | 4,110
AOCI Attributable to Parent [Member] |  |
Deferred tax assets: |  |
Unrealized holding losses on securities | 0 | 1,145
Deferred tax liabilities: |  |
Defined benefit plans - ASC 835 | 49 | 37
Retained Earnings [Member] |  |
Deferred tax assets: |  |
Unrealized holding losses on securities | $ 640 | $ 0

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