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Note 9 - Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Computed tax at expected statutory rate	$ (2,177,319)	$ (1,843,244)
State and local income taxes, net of federal benefit	0	(1,177)
Non-US income taxed at different rates	(80,280)	(44,279)
Non-deductible expenses	1,259	5,399
Change in valuation allowance	1,996,655	1,755,013
Other	220,848	(77,919)
Total tax benefit	$ (38,837)	$ (206,207)

X

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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