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Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2023
Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	Year ended December 31 (Dollars in thousands) 2023 2022 Current income tax (benefit) expense: Federal $ (448) 1,461 State (134) 356 Total current income tax (benefit) expense (582) 1,817 Deferred income tax (benefit) expense: Federal (293) 556 State 98 130 Total deferred income tax (benefit) expense (195) 686 Total income tax (benefit) expense  $ (777) 2,503
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	2023 2022 Percent of Percent of pre-tax pre-tax (Dollars in thousands) Amount earnings Amount earnings Earnings before income taxes $ 618 12,849 Income taxes at statutory rate 130 21.0 % 2,698 21.0 % Tax-exempt interest (493) (79.8) (523) (4.1) State income taxes, net of  federal tax effect (43) (7.0) 346 2.7 New Markets Tax Credit (356) (57.6) (356) (2.8) Bank-owned life insurance (88) (14.2) 141 1.1 Other 73 11.9 197 1.6 Total income tax (benefit) expense  $ (777) (125.7) % 2,503 19.5 %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	December 31 (Dollars in thousands) 2023 2022 Deferred tax assets: Allowance for credit losses $ 1,724 1,448 Unrealized loss on securities 9,734 13,722 Net operating loss carry-forwards 253 — Tax credit carry-forwards 356 — Accrued bonus  185 228 Right of use liability 128 153 Other 71 70 Total deferred tax assets 12,451 15,621 Deferred tax liabilities: Premises and equipment 1,315 767 Originated mortgage servicing rights 249 289 Right of use asset 122 148 New Markets Tax Credit investment 181 179 Other 332 469 Total deferred tax liabilities 2,199 1,852 Net deferred tax asset $ 10,252 13,769
Schedule of Deferred Tax Asset Rollforward [Table Text Block]	Year ended December 31 (Dollars in thousands) 2023 2022 Net deferred tax asset (liability): Balance, beginning of year $ 13,769 435 Cumulative effect of change in accounting standard 276 — Deferred tax expense related to continuing operations 195 (686) Stockholders' equity, for accumulated other comprehensive income (3,988) 14,020 Balance, end of year $ 10,252 13,769

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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-Topic 740
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-Name Accounting Standards Codification
-Paragraph 9
-Section 50
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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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