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Stockholders’ Equity - Schedule of stock reserved for issuance (Details) - shares | Mar. 31, 2026 | Dec. 31, 2025
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Class of Stock [Line Items] |  |
Shares reserved for issuance under ESPP plan (in shares) | 15,847,000 | 11,152,000
K2 Warrants |  |
Class of Stock [Line Items] |  |
Shares reserved for issuance under ESPP plan (in shares) | 170,000 | 170,000
Pre-Funded Warrants |  |
Class of Stock [Line Items] |  |
Shares reserved for issuance under ESPP plan (in shares) | 7,722,000 | 4,622,000
Stock options issued and outstanding from 2024, 2019 Equity Incentive Plan and Inducement Plan |  |
Class of Stock [Line Items] |  |
Shares reserved for issuance under ESPP plan (in shares) | 7,078,000 | 5,385,000
Shares available for future grant from 2024 Equity Incentive Plan and Inducement Plan |  |
Class of Stock [Line Items] |  |
Shares reserved for issuance under ESPP plan (in shares) | 877,000 | 975,000

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