Stock-Based Compensation (Tables)
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6 Months Ended |
Jun. 30, 2026 |
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| Share-Based Payment Arrangement [Abstract] |
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| 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 | |
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| 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 | |
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| 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 | | | | | |
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| 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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