Note 16 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ 0	$ 0
Liability for Uncertainty in Income Taxes, Current	0
Research Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount	26,818
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards	$ 21,832,273
Open Tax Year	2018 2019 2020 2021 2022 2023 2024
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	$ 6,150,701
Foreign Tax Jurisdiction [Member]
Operating Loss Carryforwards	$ 41,100,000
Foreign Tax Jurisdiction [Member] \| Israel Tax Authority [Member]
Open Tax Year	2018 2019 2020 2021 2022 2023 2024
Foreign Tax Jurisdiction [Member] \| Inland Revenue, Hong Kong [Member]
Open Tax Year	2016 2017 2018 2019 2020 2021 2022 2023 2024

Amount recognized for uncertainty in income taxes classified as current.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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-Topic 740
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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