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v3.25.1

Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Stock-based compensation |  |  |
Vesting of early exercised options (in shares) | 0 |  | 1,676
Unvested early exercises of stock options | $ 0.0 |  | $ 0.1
Future awards under the 2021 Employee Stock Purchase Plan |  |  |
Stock-based compensation |  |  |
Stock authorized for issuance (in shares) | 1,503,857 |  | 1,128,095
Exercise of outstanding stock options |  |  |
Stock-based compensation |  |  |
Weighted-average grant-date fair value of stock options granted (in dollars per share) | $ 8.37 | $ 9.43 |
Unrecognized compensation cost | $ 17.3 |  |
Unrecognized compensation cost, weighted-average period for recognition | 2 years 6 months |  |
Vesting of outstanding restricted stock units |  |  |
Stock-based compensation |  |  |
Unrecognized compensation cost | $ 33.6 |  |
Unrecognized compensation cost, weighted-average period for recognition | 3 years 25 days |  |
Performance Shares (PSUs) |  |  |
Stock-based compensation |  |  |
Unrecognized compensation cost | $ 6.5 |  |
Outstanding (in shares) | 438,500 |  | 438,500
Vested (in shares) | 0 |  |
Stock-based compensation expense | $ 0.0 |  |
2021 Plan |  |  |
Stock-based compensation |  |  |
Stock authorized for issuance (in shares) | 8,389,903 |  | 7,230,834
2016 Stock Plan |  |  |
Stock-based compensation |  |  |
Stock authorized for issuance (in shares) | 1,754,604 |  | 1,776,694
2025 Inducement Plan |  |  |
Stock-based compensation |  |  |
Stock authorized for issuance (in shares) | 270,000 |  |

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