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Note 4 - Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Prepaid clinical and CRO expenses | $ 2,053 | $ 0
Metals to be used in research and development | 1,744 | 1,909
Research and development tax credits receivable | 351 | 1,195
Other | 777 | 568
Total prepaid expenses and other current assets | $ 4,925 | $ 3,672

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