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Note 8 - Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Finite-lived Intangible Assets Amortization Expense [Table Text Block] |
|  | 2021 |  |  | 2020 |
|  | Gross |  |  | Accumulated |  |  | Gross |  |  | Accumulated |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amortization |
Core deposit intangible asset |  | $ | 6,411 |  |  | $ | 3,913 |  |  | $ | 6,411 |  |  | $ | 3,493 |
Customer list |  |  | 535 |  |  |  | 379 |  |  |  | 535 |  |  |  | 320 |
Total |  | $ | 6,946 |  |  | $ | 4,292 |  |  | $ | 6,946 |  |  | $ | 3,813 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Beginning intangible assets, net |  | $ | 2,813 |  |  | $ | 3,525 |  |  | $ | 3,133 |  |  | $ | 3,959 |
Amortization |  |  | (159 | ) |  |  | (216 | ) |  |  | (479 | ) |  |  | (650 | )
Ending intangible assets, net |  | $ | 2,654 |  |  | $ | 3,309 |  |  | $ | 2,654 |  |  | $ | 3,309 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
2021 |  | $ | 148 |
2022 |  |  | 575 |
2023 |  |  | 502 |
2024 |  |  | 337 |
2025 |  |  | 300 |
2026 |  |  | 268 |
After |  |  | 524 |
Total |  | $ | 2,654 |

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