Note A - Business and Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2023
Financing Receivable, Accrued Interest Balance	$ 834,000
Retained Earnings (Accumulated Deficit)	$ 37,574,000	$ 31,154,000
Weighted Average Number of Shares Outstanding, Basic (in shares)	4,675,067	4,678,186	4,844,248
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 6,133,216	$ 2,156,429	$ 840,992
Income Taxes Paid, Net	495,000	0	165,000
Real Estate Owned, Transfer to Real Estate Owned	$ 952,000	$ 0	$ 13,648
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
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Retained Earnings (Accumulated Deficit)				$ (81,000)