Note 4 - Investment and Equity Securities (Tables)
|
12 Months Ended |
Dec. 31, 2022 |
|---|
| Notes Tables |
|
| Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] |
| | | December 31, 2022 | |
| | | | | | | Gross | | | Gross | | | | | |
| | | Amortized | | | Unrealized | | | Unrealized | | | Fair | |
| (Dollar amounts in thousands) | | Cost | | | Gains | | | Losses | | | Value | |
| | | | | | | | | | | | | | | | | |
| Subordinated debt | | $ | 32,300 | | | $ | 3 | | | $ | (2,139 | ) | | $ | 30,164 | |
| Obligations of states and political subdivisions: | | | | | | | | | | | | | | | | |
| Taxable | | | 500 | | | | - | | | | - | | | | 500 | |
| Tax-exempt | | | 151,896 | | | | 49 | | | | (25,111 | ) | | | 126,834 | |
| Mortgage-backed securities in government-sponsored entities | | | 8,302 | | | | - | | | | (833 | ) | | | 7,469 | |
| Total | | $ | 192,998 | | | $ | 52 | | | $ | (28,083 | ) | | $ | 164,967 | |
| | | December 31, 2021 | |
| | | | | | | Gross | | | Gross | | | | | |
| | | Amortized | | | Unrealized | | | Unrealized | | | Fair | |
| (Dollar amounts in thousands) | | Cost | | | Gains | | | Losses | | | Value | |
| | | | | | | | | | | | | | | | | |
| Subordinated debt | | $ | 32,300 | | | $ | 356 | | | $ | (119 | ) | | $ | 32,537 | |
| Obligations of states and political subdivisions: | | | | | | | | | | | | | | | | |
| Taxable | | | 500 | | | | 2 | | | | - | | | | 502 | |
| Tax-exempt | | | 122,877 | | | | 4,307 | | | | (341 | ) | | | 126,843 | |
| Mortgage-backed securities in government-sponsored entities | | | 10,140 | | | | 257 | | | | (80 | ) | | | 10,317 | |
| Total | | $ | 165,817 | | | $ | 4,922 | | | $ | (540 | ) | | $ | 170,199 | |
|
| Investments Classified by Contractual Maturity Date [Table Text Block] |
| | | Amortized | | | Fair | |
| (Dollar amounts in thousands) | | Cost | | | Value | |
| | | | | | | | | |
| Due in one year or less | | $ | 1,125 | | | $ | 1,126 | |
| Due after one year through five years | | | 3,004 | | | | 2,904 | |
| Due after five years through ten years | | | 45,363 | | | | 42,881 | |
| Due after ten years | | | 143,506 | | | | 118,056 | |
| | | | | | | | | |
| Total | | $ | 192,998 | | | $ | 164,967 | |
|
| Schedule of Unrealized Loss on Investments [Table Text Block] |
| | | December 31, 2022 | |
| | | Less than Twelve Months | | | Twelve Months or Greater | | | Total | |
| | | | | | | Gross | | | | | | | Gross | | | | | | | Gross | |
| | | Fair | | | Unrealized | | | Fair | | | Unrealized | | | Fair | | | Unrealized | |
| (Dollar amounts in thousands) | | Value | | | Losses | | | Value | | | Losses | | | Value | | | Losses | |
| | | | | | | | | | | | | | | | | | | | | | | | | |
| Subordinated debt | | $ | 12,638 | | | $ | (1,129 | ) | | $ | 8,790 | | | $ | (1,010 | ) | | $ | 21,428 | | | $ | (2,139 | ) |
| Obligations of states and political subdivisions | | | | | | | | | | | | | | | | | | | | | | | | |
| Tax-exempt | | | 75,343 | | | | (10,488 | ) | | | 41,138 | | | | (14,623 | ) | | | 116,481 | | | | (25,111 | ) |
| Mortgage-backed securities in government-sponsored entities | | | 6,153 | | | | (480 | ) | | | 1,316 | | | | (353 | ) | | | 7,469 | | | | (833 | ) |
| Total | | $ | 94,134 | | | $ | (12,097 | ) | | $ | 51,244 | | | $ | (15,986 | ) | | $ | 145,378 | | | $ | (28,083 | ) |
| | | December 31, 2021 | |
| | | Less than Twelve Months | | | Twelve Months or Greater | | | Total | |
| | | | | | | Gross | | | | | | | Gross | | | | | | | Gross | |
| | | Fair | | | Unrealized | | | Fair | | | Unrealized | | | Fair | | | Unrealized | |
| (Dollar amounts in thousands) | | Value | | | Losses | | | Value | | | Losses | | | Value | | | Losses | |
| | | | | | | | | | | | | | | | | | | | | | | | | |
| Subordinated debt | | $ | 9,150 | | | $ | (100 | ) | | $ | 731 | | | $ | (19 | ) | | $ | 9,881 | | | $ | (119 | ) |
| Obligations of states and political subdivisions | | | | | | | | | | | | | | | | | | | | | | | | |
| Tax-exempt | | | 24,273 | | | | (341 | ) | | | - | | | | - | | | | 24,273 | | | | (341 | ) |
| Mortgage-backed securities in government-sponsored entities | | | - | | | | - | | | | 1,980 | | | | (80 | ) | | | 1,980 | | | | (80 | ) |
| Total | | $ | 33,423 | | | $ | (441 | ) | | $ | 2,711 | | | $ | (99 | ) | | $ | 36,134 | | | $ | (540 | ) |
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