Note 13 - Income Taxes - (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 01, 2022	Mar. 31, 2015
American Gateway Financial Corporation [Member]
Operating Loss Carryforwards	$ 28,737		$ 287,000
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax			$ 984,000
Operating Loss Carryforwards, Expiration Year	2033
Texas Citizens Bancorp [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic		$ 8,800,000
Deferred Tax Assets, Charitable Contribution Carryforwards		$ 229,000
Deferred Tax Assets, Operating Loss and Charitable Contribution Carryforwards, Not Subject to Expiration	$ 2,700,000