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Note 7 - Income Taxes - Provision for Income Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current income tax	$ 106	$ 163	$ 3,570
Deferred income tax	0	0	0
Income tax expenses	$ 106	$ 163	$ 3,570

X

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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