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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2019
Income Taxes |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  |  |  | Year ended December 31
(Dollars in thousands) | 2019 | 2018
Current income tax expense: |  |  |  |  |
| Federal | $ | 1,939 |  |  | 1,685
| State |  | 584 |  |  | 431
|  | Total current income tax expense |  | 2,523 |  |  | 2,116
Deferred income tax (benefit) expense: |  |  |  |  |
| Federal |  | (136) |  |  | 56
| State |  | (17) |  |  | 15
|  | Total deferred income tax (benefit) expense |  | (153) |  |  | 71
| Total income tax expense | $ | 2,370 |  |  | 2,187
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  |  |  |  | 2019 |  | 2018
|  |  |  |  |  |  | Percent of |  |  |  |  | Percent of |
|  |  |  |  |  |  | pre-tax |  |  |  |  | pre-tax |
(Dollars in thousands) |  |  | Amount |  | earnings |  |  | Amount |  | earnings |
Earnings before income taxes |  | $ | 12,111 |  |  |  |  | 11,021 |  |  |
Income taxes at statutory rate |  |  | 2,543 |  | 21.0 | % |  | 2,315 |  | 21.0 | %
| Tax-exempt interest |  |  | (508) |  | (4.1) |  |  | (515) |  | (4.7) |
| State income taxes, net of |  |  |  |  |  |  |  |  |  |  |
|  | federal tax effect |  |  | 440 |  | 3.6 |  |  | 361 |  | 3.3 |
| Bank-owned life insurance |  |  | (92) |  | (0.8) |  |  | (92) |  | (0.8) |
| Other |  |  | (13) |  | (0.1) |  |  | 118 |  | 1.0 |
Total income tax expense |  | $ | 2,370 |  | 19.6 | % |  | 2,187 |  | 19.8 | %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  |  |  | December 31
(Dollars in thousands) | 2019 | 2018
Deferred tax assets: |  |  |  |  |
| Allowance for loan losses | $ | 1,102 |  |  | 1,203
| Unrealized loss on securities |  | — |  |  | 1,262
| Accrued bonus |  | 296 |  |  | 8
| Right of use liability |  | 198 |  |  | —
| Other |  | 88 |  |  | 127
|  | Total deferred tax assets |  | 1,684 |  |  | 2,600
Deferred tax liabilities: |  |  |  |  |
| Premises and equipment |  | 315 |  |  | 280
| Unrealized gain on securities |  | 690 |  |  | —
| Originated mortgage servicing rights |  | 326 |  |  | 362
| Right of use asset |  | 197 |  |  | —
| Other |  | 165 |  |  | 168
|  | Total deferred tax liabilities |  | 1,693 |  |  | 810
|  | Net deferred tax (liability) asset | $ | (9) |  |  | 1,790
Schedule of Deferred Tax Asset Rollforward [Table Text Block] |
|  |  |  |  | Year ended December 31
(Dollars in thousands) | 2019 | 2018
Net deferred tax (liability) asset: |  |  |  |  |
Balance, beginning of year | $ | 1,790 |  |  | 789
Deferred tax benefit (expense) related to continuing operations |  | 153 |  |  | (71)
Stockholders' equity, for accumulated other comprehensive (income) loss |  | (1,952) |  |  | 1,072
Balance, end of year | $ | (9) |  |  | 1,790

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