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Note 15 - Income Taxes (Details Textual) - USD ($) Pure in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Tax Expense (Benefit)	$ 0	$ 0	$ 0	$ 0
United States, Hong Kong, and Nigeria [Member]
Income Tax Expense (Benefit)	$ 0		0
Effective Income Tax Rate Reconciliation, Percent		0.00%		0.00%
SPAIN
Income Tax Expense (Benefit)			$ 0

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