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Note 5 - Fair Value Measurements - Schedule of Fair Value Measurements (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Equity Investments | $ 4,084 | $ 1,323
Total Assets | 4,084 | 1,323
Forward Contract Liabilities | 0 | 1,412
Convertible notes | 1,301 | 689
Total Liabilities | 1,301 | 2,101
Fair Value, Inputs, Level 1 [Member] |  |
Equity Investments | 4,084 | 1,323
Total Assets | 4,084 | 1,323
Forward Contract Liabilities | 0 | 0
Convertible notes | 0 | 0
Total Liabilities | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Equity Investments | 0 | 0
Total Assets | 0 | 0
Forward Contract Liabilities | 0 | 1,412
Convertible notes | 0 | 0
Total Liabilities | 0 | 1,412
Fair Value, Inputs, Level 3 [Member] |  |
Equity Investments | 0 | 0
Total Assets | 0 | 0
Forward Contract Liabilities | 0 | 0
Convertible notes | 1,301 | 689
Total Liabilities | $ 1,301 | $ 689

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