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Note 6 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Income Tax Expense (Benefit) $ 20 $ (0)
Effective Income Tax Rate, Continuing Operations, Increase 0.80% 0.00%
Unrecognized Tax Benefits $ 4,359