Stockholder's Equity and Share-Based Compensation - Assumptions Used in Determining Fair Value & Early exercise of Stock Options (Details) - Employee Stock Option |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] | ||
| Expected volatility | 93.70% | 88.40% |
| Risk-free interest rate | 4.10% | 4.30% |
| Expected term | 5 years 10 months 24 days | 6 years |