Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Net Income (Loss) Attributable to Parent	$ 223,227	$ 514,765
Share-Based Payment Arrangement, Noncash Expense	5,666	$ 27,097
Shares Based Compensation, Stock Options Unamortized Fair Value	$ 15,110
Weighted Average [Member]
Share-based Compensation, Weighted Average Remaining Amortization Period	1 year
Maximum [Member]
Share-based Compensation, Weighted Average Remaining Amortization Period	5 years