Note A - Business and Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Maximum Percentage of Stockholder Equity for Aggregate Errors	3.00%
Weighted Average Number of Shares Outstanding, Basic, Total (in shares)	4,678,186	4,844,248	4,893,151
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 2,156,429	$ 840,992	$ 1,610,864
Income Taxes Paid, Net, Total	0	165,000	0
Real Estate Owned, Transfer to Real Estate Owned	$ 0	$ 13,648	$ 753,620
Trustmark Trust Department Book of Business [Member]
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)	10 years
Federal Home Loan Bank of Dallas [Member]
Federal Home Loan Bank, Advances, Par Value, Total	$ 100
Maximum [Member] \| Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Adjustments to Allowance for Loan Losses, Expected Increase (Decrease), Percentage	2.00%
Low Income Housing Partnership [Member]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest	99.00%

Represents the expected increase (decrease) to allowance for loan losses as a percentage.

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The maximum percentage of stockholders equity for aggregate errors.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Par amount of advances made and reported by Federal Home Loan Bank (FHLBank).

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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