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Note 3 - Securities (Tables) | 3 Months Ended
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Mar. 31, 2019
Notes Tables |
Available-for-sale Securities [Table Text Block] |
Securities Available for Sale |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Estimated Fair Value |
March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government sponsored entity securities |  | $ | 16,677 |  |  | $ | 91 |  |  | $ | (79 | ) |  | $ | 16,689 |
Agency mortgage-backed securities, residential |  |  | 94,310 |  |  |  | 389 |  |  |  | (1,107 | ) |  |  | 93,592 |
Total securities |  | $ | 110,987 |  |  | $ | 480 |  |  | $ | (1,186 | ) |  | $ | 110,281 |
December 31, 201 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government sponsored entity securities |  | $ | 16,837 |  |  | $ | 8 |  |  | $ | (215 | ) |  | $ | 16,630 |
Agency mortgage-backed securities, residential |  |  | 88,030 |  |  |  | 92 |  |  |  | (2,588 | ) |  |  | 85,534 |
Total securities |  | $ | 104,867 |  |  | $ | 100 |  |  | $ | (2,803 | ) |  | $ | 102,164 |
Debt Securities, Held-to-maturity [Table Text Block] |
Securities Held to Maturity |  | Amortized Cost |  |  | Gross Unrecognized Gains |  |  | Gross Unrecognized Losses |  |  | Estimated Fair Value |
March 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | $ | 15,587 |  |  | $ | 546 |  |  | $ | (12 | ) |  | $ | 16,121 |
Agency mortgage-backed securities, residential |  |  | 3 |  |  |  | ---- |  |  |  | ---- |  |  |  | 3 |
Total securities |  | $ | 15,590 |  |  | $ | 546 |  |  | $ | (12 | ) |  | $ | 16,124 |
December 31, 201 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | $ | 15,813 |  |  | $ | 502 |  |  | $ | (84 | ) |  | $ | 16,231 |
Agency mortgage-backed securities, residential |  |  | 3 |  |  |  | ---- |  |  |  | ---- |  |  |  | 3 |
Total securities |  | $ | 15,816 |  |  | $ | 502 |  |  | $ | (84 | ) |  | $ | 16,234 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Available for Sale |  |  | Held to Maturity |
Debt Securities: |  | Amortized Cost |  |  | Estimated Fair Value |  |  | Amortized Cost |  |  | Estimated Fair Value |
Due in one year or less |  | $ | ---- |  |  | $ | ---- |  |  | $ | 926 |  |  | $ | 927 |
Due in over one to five years |  |  | 16,677 |  |  |  | 16,689 |  |  |  | 6,431 |  |  |  | 6,601 |
Due in over five to ten years |  |  | ---- |  |  |  | ---- |  |  |  | 8,230 |  |  |  | 8,593 |
Due after ten years |  |  | ---- |  |  |  | ---- |  |  |  | ---- |  |  |  | ---- |
Agency mortgage-backed securities, residential |  |  | 94,310 |  |  |  | 93,592 |  |  |  | 3 |  |  |  | 3 |
Total debt securities |  | $ | 110,987 |  |  | $ | 110,281 |  |  | $ | 15,590 |  |  | $ | 16,124 |
Schedule of Unrealized Loss on Investments [Table Text Block] |
March 31, 2019 |  | Less Than 12 Months |  |  | 12 Months or More |  |  | Total |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
Securities Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government sponsored entity securities |  | $ | ---- |  |  | $ | ---- |  |  | $ | 5,935 |  |  | $ | (79 | ) |  | $ | 5,935 |  |  | $ | (79 | )
Agency mortgage-backed securities, residential |  |  | ---- |  |  |  | ---- |  |  |  | 59,641 |  |  |  | (1,107 | ) |  |  | 59,641 |  |  |  | (1,107 | )
Total available for sale |  | $ | ---- |  |  | $ | ---- |  |  | $ | 65,576 |  |  | $ | (1,186 | ) |  | $ | 65,576 |  |  | $ | (1,186 | )
December 31, 201 8 |  | Less Than 12 Months |  |  | 12 Months or More |  |  | Total |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
Securities Available for Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government sponsored entity securities |  | $ | 1,981 |  |  | $ | (1 | ) |  | $ | 8,679 |  |  | $ | (214 | ) |  | $ | 10,660 |  |  | $ | (215 | )
Agency mortgage-backed securities, residential |  |  | 8,564 |  |  |  | (43 | ) |  |  | 62,619 |  |  |  | (2,545 | ) |  |  | 71,183 |  |  |  | (2,588 | )
Total available for sale |  | $ | 10,545 |  |  | $ | (44 | ) |  | $ | 71,298 |  |  | $ | (2,759 | ) |  | $ | 81,843 |  |  | $ | (2,803 | )
Held-to-maturity Securities [Member] |
Notes Tables |
Schedule of Unrealized Loss on Investments [Table Text Block] |
|  | Less Than 12 Months |  |  | 12 Months or More |  |  | Total |
|  | Fair Value |  |  | Unrecognized Loss |  |  | Fair Value |  |  | Unrecognized Loss |  |  | Fair Value |  |  | Unrecognized Loss |
Securities Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | $ | ---- |  |  | $ | ---- |  |  | $ | 1,380 |  |  | $ | (12 | ) |  | $ | 1,380 |  |  | $ | (12 | )
Total held to maturity |  | $ | ---- |  |  | $ | ---- |  |  | $ | 1,380 |  |  | $ | (12 | ) |  | $ | 1,380 |  |  | $ | (12 | )
|  | Less Than 12 Months |  |  | 12 Months or More |  |  | Total |
|  | Fair Value |  |  | Unrecognized Loss |  |  | Fair Value |  |  | Unrecognized Loss |  |  | Fair Value |  |  | Unrecognized Loss |
Securities Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states and political subdivisions |  | $ | 484 |  |  | $ | (3 | ) |  | $ | 1,312 |  |  | $ | (81 | ) |  | $ | 1,796 |  |  | $ | (84 | )
Total held to maturity |  | $ | 484 |  |  | $ | (3 | ) |  | $ | 1,312 |  |  | $ | (81 | ) |  | $ | 1,796 |  |  | $ | (84 | )

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