Note 11 - Income Taxes - Provision for Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Current	$ 1,558,000	$ 1,140,000
Deferred income taxes	(322,000)	(27,000)
Provision for income taxes	$ 1,236,000	$ 1,113,000