Note 1 - Description of Business and Significant Accounting Policies - Major Categories of Depreciable Assets and Respective Book Values (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Accumulated depreciation	$ (107,536)	$ (79,030)
Property, equipment and software, net	119,068	136,353
Computer Equipment [Member]
Property, equipment and software, gross	70,000	59,404
Furniture and Equipment [Member]
Property, equipment and software, gross	$ 156,604	$ 155,979