| Schedule of Information Related to Stock Options Outstanding |
Information related to stock options outstanding as of June 30, 2025 is as follows (in thousands, except share, exercise price, and contractual term): | | | | | | | | | | | | | | | | | | Weighted-Average | | | | | | | | Weighted- | | Remaining | | | | | | Number of | | Average | | Contractual Term | | Aggregate Intrinsic | | | Stock Options | | Exercise Price | | (Years) | | Value | Outstanding, December 31, 2024 | | 6,630,477 | | $ | 9.32 | | 6.0 | | $ | 5,839 | Granted | | 1,954,950 | | $ | 6.61 | | | | | | Exercised | | (4,167) | | $ | 2.81 | | | | | | Forfeited or expired | | (478,995) | | $ | 9.76 | | | | | | Outstanding, June 30, 2025 | | 8,102,265 | | $ | 8.64 | | 5.4 | | $ | 1,146 | Exercisable, June 30, 2025 | | 4,315,513 | | $ | 9.25 | | 5.7 | | $ | 1,145 | Vested and expected to vest, June 30, 2025 | | 7,761,457 | | $ | 8.67 | | 5.4 | | $ | 1,146 |
|
| Schedule of Stock-based Compensation Expense |
Stock-based compensation expense is classified in the unaudited consolidated Statements of Operations and Comprehensive Loss for the three and six months ended June 30, 2025 and 2024 as follows (in thousands): | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | | | 2025 | | 2024 | | 2025 | | 2024 | Research and development | | $ | 1,553 | | $ | 1,574 | | $ | 3,329 | | $ | 3,249 | General and administrative | | | 2,013 | | | 2,737 | | | 4,252 | | | 4,712 | Total | | $ | 3,566 | | $ | 4,311 | | $ | 7,581 | | $ | 7,961 |
|