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Note 2 - Securities - Amortized Cost and Fair Value of Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Due within one year, amortized cost, available for sale securities | $ 201 |
Due within one year, fair value, available for sale securities | 202 |
Due within one year, amortized cost, held to maturity securities | 392 |
Due within one year, fair value, held to maturity securities | 394 |
Due after one year through five years, amortized cost, available for sale securities | 13,608 |
Due after one year through five years, fair value, available for sale securities | 14,152 |
Due after one year through five years, amortized cost, held to maturity securities | 6,043 |
Due after one year through five years, fair value, held to maturity securities | 6,293 |
Due after five years through ten years, amortized cost, available for sale securities | 38,483 |
Due after five years through ten years, fair value, available for sale securities | 39,790 |
Due after five years through ten years, amortized cost, held to maturity securities | 2,287 |
Due after five years through ten years, fair value, held to maturity securities | 2,377 |
Due after ten years, amortized cost, available for sale securities | 84,063 |
Due after ten years, fair value, available for sale securities | 86,081 |
Due after ten years, amortized cost, held to maturity securities | 5,512 |
Due after ten years, fair value, held to maturity securities | 5,679 |
Amortized cost, available for sale securities | 136,355 | $ 120,068
Fair value, available for sale securities | 140,225 | 120,983
Amortized cost, held to maturity securities | 14,234 |
Securities, fair value | $ 14,743 | $ 17,646

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