Note 3 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Effective Income Tax Rate Reconciliation, Percent	22.00%	22.00%	23.00%	22.00%
Effective Income Tax Rate Change, Share-based Compensation			$ 55,000
Income Tax Reconciliation, State Tax Changes			$ 241,000