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Balance sheet components - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Prepaid assets: |  |
Prepaid CRO expenses | $ 4,841 | $ 1,086
Other prepaid expenses | 802 | 685
Total prepaid expenses | 5,643 | 1,771
Other current assts: |  |
Cash from warrant exercise held at transfer agent | 949 | 0
Miscellaneous other current assets | 70 | 64
Total other current assets | $ 1,019 | $ 64

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