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Schedule of prepaid expenses and other current assets (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Prepaid Expenses And Other Current Assets |  |  |
Research and development tax credit receivable |  |  | $ 2,933
Prepayments and VAT receivable | $ 70 | 237 | 792
Other current assets | 194 | 300 | 341
Prepaid expenses and other assets | $ 264 | $ 537 | $ 4,066

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