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Note 18 - Fair Value of Financial Instruments - Securities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Marketable equity securities | $ 42,620 | $ 43,203
Fair Value, Inputs, Level 1 [Member] |  |
Marketable equity securities | 42,620 | 43,203
Fair Value, Inputs, Level 2 [Member] |  |
Marketable equity securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Marketable equity securities | $ 0 | $ 0

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