Note 8 - Income Tax - Income Tax Reconciliation (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income before provision for income taxes	$ 1,257,489	$ 1,065,809
Provision for income taxes	$ 286,000	$ 283,570
Effective tax rates	22.70%	26.60%