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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-based Compensation Expense | Stock-based compensation expense for stock options, RSUs and PSUs is reflected in the condensed consolidated statements of operations and comprehensive loss as follows (in thousands):
| Three months ended June 30, | Six months ended June 30,
| 2026 |  | 2025 | 2026 |  | 2025
General and administrative | $ | 1,265 |  |  | $ | 1,104 |  | $ | 3,534 |  |  | $ | 2,203 |
Research and development | 568 |  |  | 741 |  | 1,697 |  |  | 1,527 |
Total | $ | 1,833 |  | $ | 1,845 |  | $ | 5,231 |  |  | $ | 3,730 |
Schedule of Stock Option Activity | The following table summarizes the Company's stock option activity:
| Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (Years) |  | Aggregate Intrinsic Value (In Thousands)
Options outstanding at December 31, 2025 | 24,561,750 |  |  | $ | 1.58 |  |  | 7.6 |  | $ | 7,505 |
Granted | 9,638,335 |  |  | 1.40 |  |  |  |  | 4 |
Exercised | (1,209,034) |  |  | 0.92 |  |  |  |  | 824 |
Forfeited | (3,028,706) |  |  | 1.57 |  |  |  |  | 1,131 |
Expired | (9,382) |  | 2.94 |  |  |  |  | 0
Options outstanding at June 30, 2026 | 29,952,963 |  |  | $ | 1.55 |  |  | 7.8 |  | $ | 10,284 |
Vested and expected to vest at June 30, 2026 | 29,952,963 |  |  | $ | 1.55 |  |  | 7.8 |  | 10,284
Options exercisable at June 30, 2026 | 14,490,871 |  |  | $ | 1.90 |  |  | 6.2 |  | $ | 5,123 |
Schedule of RSU Activity | The following table summarizes the Company's unvested RSU activity:
| Number of Shares |  | Weighted Average Grant Date Fair Value |  |  |  |
RSUs unvested at December 31, 2025 | 851,652 |  |  | $ | 1.13 |  |  |  |  |
Granted | 2,885,565 |  |  | $ | 1.40 |  |  |  |  |
Vested | (764,589) |  |  | $ | 1.21 |  |  |  |  |
Forfeited | (626,393) |  |  | $ | 1.37 |  |  |  |  |
RSUs unvested at June 30, 2026 | 2,346,235 |  |  | $ | 1.37 |  |  |  |  |
Schedule of PSU Activity | The following table summarizes the unvested PSU activity:
| Number of Shares |  | Weighted Average Grant-Date Fair Value
PSUs unvested at December 31, 2025 | 4,186,797 |  |  | $ | 1.61 |
Granted | 9,369,604 |  |  | $ | 0.23 |
Vested | — |  |  | $ | — |
Forfeited | (1,717,762) |  |  | $ | 1.74 |
PSUs unvested at June 30, 2026 | 11,838,639 |  |  | $ | 1.51 |

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