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Note 13 - Income Taxes - Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Income tax benefit at statutory rates | $ (2,501) | $ (15,839)
Warrant liabilities | (177) | (482)
Stock compensation | 883 | 1,949
Other permanent differences | 0 | 3
Foreign rate differential | (1) | (95)
State income taxes, net of federal tax benefit | (311) | (2,052)
Other | 404 | (431)
Prior year true-up adjustments | (757) | 2,827
Valuation allowance | 2,413 | 13,253
Total income tax benefit | $ (47) | $ (867)

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