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Note 2 - Securities (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Debt Securities, Available-for-Sale [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Mortgage-backed |  |  | Collateralized |  |  |  |  |
|  | U.S. Treasury Notes |  |  | U.S. government |  |  | Municipal |  |  | residential |  |  | mortgage |  |  | Total available-for- |
June 30, 2022 |  |  |  |  |  | agency obligations |  |  | obligations |  |  | obligations |  |  | obligations |  |  | sale |
|  | (Dollars in thousands) |
1 year or less |  | $ | 4,990 |  |  | $ | — |  |  | $ | 871 |  |  | $ | — |  |  | $ | 423 |  |  | $ | 6,284 |
1 to 5 years |  |  | 2,440 |  |  |  | 8,771 |  |  |  | 4,955 |  |  |  | 29,242 |  |  |  | 22,659 |  |  |  | 68,067 |
5 to 10 years |  |  | — |  |  |  | 9,290 |  |  |  | 3,022 |  |  |  | 11,174 |  |  |  | 8,673 |  |  |  | 32,159 |
After 10 years |  |  | — |  |  |  | — |  |  |  | 11,382 |  |  |  | — |  |  |  | 3,355 |  |  |  | 14,737 |
Fair value |  |  | 7,430 |  |  |  | 18,061 |  |  |  | 20,230 |  |  |  | 40,416 |  |  |  | 35,110 |  |  |  | 121,247 |
Gross unrealized gains |  |  | — |  |  |  | — |  |  |  | 19 |  |  |  | — |  |  |  | — |  |  |  | 19 |
Gross unrealized losses |  |  | (48 | ) |  |  | (1,098 | ) |  |  | (2,646 | ) |  |  | (3,993 | ) |  |  | (3,221 | ) |  |  | (11,006 | )
Amortized cost |  | $ | 7,478 |  |  | $ | 19,159 |  |  | $ | 22,857 |  |  | $ | 44,409 |  |  | $ | 38,331 |  |  | $ | 132,234 |
|  |  |  |  |  |  |  |  |  | Mortgage-backed |  |  | Collateralized |  |  |  |  |
|  | U.S. government |  |  | Municipal |  |  | residential |  |  | mortgage |  |  | Total available-for- |
December 31, 2021 |  | agency obligations |  |  | obligations |  |  | obligations |  |  | obligations |  |  | sale |
|  | (Dollars in thousands) |
1 year or less |  | $ | — |  |  | $ | 1,631 |  |  | $ | 356 |  |  | $ | 1,064 |  |  | $ | 3,051 |
1 to 5 years |  |  | 5,587 |  |  |  | 3,941 |  |  |  | 29,375 |  |  |  | 16,097 |  |  |  | 55,000 |
5 to 10 years |  |  | 4,466 |  |  |  | 2,244 |  |  |  | 12,417 |  |  |  | 11,976 |  |  |  | 31,103 |
After 10 years |  |  | — |  |  |  | 10,184 |  |  |  | — |  |  |  | 1,612 |  |  |  | 11,796 |
Fair value |  |  | 10,053 |  |  |  | 18,000 |  |  |  | 42,148 |  |  |  | 30,749 |  |  |  | 100,950 |
Gross unrealized gains |  |  | 73 |  |  |  | 423 |  |  |  | 259 |  |  |  | 279 |  |  |  | 1,034 |
Gross unrealized losses |  |  | (78 | ) |  |  | (14 | ) |  |  | (612 | ) |  |  | (443 | ) |  |  | (1,147 | )
Amortized cost |  | $ | 10,058 |  |  | $ | 17,591 |  |  | $ | 42,501 |  |  | $ | 30,913 |  |  | $ | 101,063 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] |
|  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
|  | (Dollars in thousands) |
|  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
|  | Value |  |  | Losses |  |  | Value |  |  | Losses |  |  | Value |  |  | Losses |
June 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury Notes |  | $ | 7,430 |  |  | $ | (48 | ) |  | $ | — |  |  | $ | — |  |  | $ | 7,430 |  |  | $ | (48 | )
U.S. government agency obligations |  |  | 16,993 |  |  |  | (1,085 | ) |  |  | 1,068 |  |  |  | (13 | ) |  |  | 18,061 |  |  | $ | (1,098 | )
Municipal obligations |  |  | 14,949 |  |  |  | (2,626 | ) |  |  | 231 |  |  |  | (20 | ) |  |  | 15,180 |  |  |  | (2,646 | )
Mortgage-backed residential obligations |  |  | 26,310 |  |  |  | (2,115 | ) |  |  | 14,106 |  |  |  | (1,878 | ) |  |  | 40,416 |  |  |  | (3,993 | )
Collateralized mortgage obligations |  |  | 23,822 |  |  |  | (1,705 | ) |  |  | 11,288 |  |  |  | (1,516 | ) |  |  | 35,110 |  |  |  | (3,221 | )
Total |  | $ | 89,504 |  |  | $ | (7,579 | ) |  | $ | 26,693 |  |  | $ | (3,427 | ) |  | $ | 116,197 |  |  | $ | (11,006 | )
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government agency obligations |  | $ | 4,020 |  |  | $ | (62 | ) |  | $ | 1,105 |  |  | $ | (16 | ) |  | $ | 5,125 |  |  | $ | (78 | )
Municipal obligations |  |  | 2,399 |  |  |  | (8 | ) |  |  | 247 |  |  |  | (6 | ) |  |  | 2,646 |  |  |  | (14 | )
Mortgage-backed residential obligations |  |  | 26,540 |  |  |  | (535 | ) |  |  | 2,781 |  |  |  | (77 | ) |  |  | 29,321 |  |  |  | (612 | )
Collateralized mortgage obligations |  |  | 16,715 |  |  |  | (338 | ) |  |  | 4,386 |  |  |  | (105 | ) |  |  | 21,101 |  |  |  | (443 | )
Total |  | $ | 49,674 |  |  | $ | (943 | ) |  | $ | 8,519 |  |  | $ | (204 | ) |  | $ | 58,193 |  |  | $ | (1,147 | )

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