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v3.23.2

Note 3 - Securities (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Available-for-Sale Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 2,977 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,977 |
Municipal securities |  |  | 240 |  |  |  | — |  |  |  | (14 | ) |  |  | 226 |
U.S. Treasury Notes |  |  | 128,231 |  |  |  | — |  |  |  | (6,204 | ) |  |  | 122,027 |
U.S. government-sponsored agencies |  |  | 40,000 |  |  |  | — |  |  |  | (273 | ) |  |  | 39,727 |
Mortgage-backed securities - residential |  |  | 3,730 |  |  |  | 20 |  |  |  | (153 | ) |  |  | 3,597 |
Collateralized mortgage obligations - residential |  |  | 1,115 |  |  |  | — |  |  |  | (22 | ) |  |  | 1,093 |
|  | $ | 176,293 |  |  | $ | 20 |  |  | $ | (6,666 | ) |  | $ | 169,647 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 2,233 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,233 |
Municipal securities |  |  | 240 |  |  |  | — |  |  |  | (15 | ) |  |  | 225 |
U.S. Treasury Notes |  |  | 170,906 |  |  |  | — |  |  |  | (7,803 | ) |  |  | 163,103 |
U.S. government-sponsored agencies |  |  | 40,000 |  |  |  | — |  |  |  | (301 | ) |  |  | 39,699 |
Mortgage-backed securities - residential |  |  | 3,997 |  |  |  | 27 |  |  |  | (143 | ) |  |  | 3,881 |
Collateralized mortgage obligations - residential |  |  | 1,223 |  |  |  | — |  |  |  | (26 | ) |  |  | 1,197 |
|  | $ | 218,599 |  |  | $ | 27 |  |  | $ | (8,288 | ) |  | $ | 210,338 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | June 30, 2023 |
|  | Amortized Cost |  |  | Fair Value |
Due in one year or less |  | $ | 86,502 |  |  | $ | 84,770 |
Due after one year through five years |  |  | 84,946 |  |  |  | 80,187 |
|  |  | 171,448 |  |  |  | 164,957 |
Mortgage-backed securities - residential |  |  | 3,730 |  |  |  | 3,597 |
Collateralized mortgage obligations - residential |  |  | 1,115 |  |  |  | 1,093 |
|  | $ | 176,293 |  |  | $ | 169,647 |
Schedule of Unrealized Loss on Investments [Table Text Block] |
|  | Less than 12 Months |  |  | 12 Months or More |  |  | Total |
|  | Count |  |  | Fair Value |  |  | Unrealized Loss |  |  | Count |  |  | Fair Value |  |  | Unrealized Loss |  |  | Count |  |  | Fair Value |  |  | Unrealized Loss |
June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Municipal securities |  |  | — |  |  | $ | — |  |  | $ | — |  |  |  | 1 |  |  | $ | 226 |  |  | $ | (14 | ) |  |  | 1 |  |  | $ | 226 |  |  | $ | (14 | )
U.S. Treasury Notes |  |  | 1 |  |  |  | 3,652 |  |  |  | (103 | ) |  |  | 180 |  |  |  | 118,375 |  |  |  | (6,101 | ) |  |  | 181 |  |  |  | 122,027 |  |  |  | (6,204 | )
U.S. government-sponsored agencies |  |  | 9 |  |  |  | 39,727 |  |  |  | (273 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 9 |  |  |  | 39,727 |  |  |  | (273 | )
Mortgage-backed securities - residential |  |  | 8 |  |  |  | 752 |  |  |  | (20 | ) |  |  | 10 |  |  |  | 2,118 |  |  |  | (133 | ) |  |  | 18 |  |  |  | 2,870 |  |  |  | (153 | )
Collateralized mortgage obligations - residential |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 7 |  |  |  | 1,093 |  |  |  | (22 | ) |  |  | 7 |  |  |  | 1,093 |  |  |  | (22 | )
|  |  | 18 |  |  | $ | 44,131 |  |  | $ | (396 | ) |  |  | 198 |  |  | $ | 121,812 |  |  | $ | (6,270 | ) |  |  | 216 |  |  | $ | 165,943 |  |  | $ | (6,666 | )
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Municipal securities |  |  | 1 |  |  | $ | 225 |  |  | $ | (15 | ) |  |  | — |  |  | $ | — |  |  | $ | — |  |  |  | 1 |  |  | $ | 225 |  |  | $ | (15 | )
U.S. Treasury Notes |  |  | 147 |  |  |  | 104,439 |  |  |  | (4,104 | ) |  |  | 53 |  |  |  | 58,664 |  |  |  | (3,699 | ) |  |  | 200 |  |  |  | 163,103 |  |  |  | (7,803 | )
U.S. government-sponsored agencies |  |  | 9 |  |  |  | 39,699 |  |  |  | (301 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 9 |  |  |  | 39,699 |  |  |  | (301 | )
Mortgage-backed securities - residential |  |  | 18 |  |  |  | 3,016 |  |  |  | (143 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 18 |  |  |  | 3,016 |  |  |  | (143 | )
Collateralized mortgage obligations - residential |  |  | 5 |  |  |  | 1,009 |  |  |  | (18 | ) |  |  | 1 |  |  |  | 171 |  |  |  | (8 | ) |  |  | 6 |  |  |  | 1,180 |  |  |  | (26 | )
|  |  | 180 |  |  | $ | 148,388 |  |  | $ | (4,581 | ) |  |  | 54 |  |  | $ | 58,835 |  |  | $ | (3,707 | ) |  |  | 234 |  |  | $ | 207,223 |  |  | $ | (8,288 | )
Gain (Loss) on Securities [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Proceeds |  | $ | — |  |  | $ | — |  |  | $ | 42,631 |  |  | $ | — |
Gross gains |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Gross losses |  |  | — |  |  |  | — |  |  |  | (454 | ) |  |  | — |

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