Note 7 - FHLB Stock (Details Textual) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Federal Home Loan Bank Stock	$ 922,000	$ 651,000
Federal Home Loan Bank of Atlanta [Member]
Federal Home Loan Bank Stock, Membership Component, Percent of Total Assets	0.07%	0.05%
Federal Home Loan Bank Stock, Transaction Component, Percentage of Outstanding Advances	4.75%	4.25%
Federal Home Loan Bank Stock	$ 922,000	$ 651,000