Note 11 - Income Taxes - Components of Income (Loss) Before Income Tax Provision (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
U.S.	$ (77,704)	$ (1,143,578)
Foreign	273,359	653,075
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	$ 195,655	$ (490,503)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details