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Note 14 - Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2020
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Net Unrealized Gains (Losses) on Securities |  |  | Accumulated Other Comprehensive Income (Loss) |
Balance at December 31, 2018 |  | $ | (1,808 | ) |  | $ | (1,808 | )
Unrealized holding gains (net of tax, $407) |  |  | 1,528 |  |  |  | 1,528 |
Unrealized holding losses transferred from held to maturity to available for sale (net of tax, ($91)) |  |  | (340 | ) |  |  | (340 | )
Change during period |  |  | 1,188 |  |  |  | 1,188 |
Balance at March 31, 2019 |  | $ | (620 | ) |  | $ | (620 | )
Balance at December 31, 2019 |  | $ | 724 |  |  | $ | 724 |
Unrealized holding gains (net of tax, $556) |  |  | 2,092 |  |  |  | 2,092 |
Change during period |  |  | 2,092 |  |  |  | 2,092 |
Balance at March 31, 2020 |  | $ | 2,816 |  |  | $ | 2,816 |

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