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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Summary of Stock-Based Compensation Expense Included on Statements of Operations | The following table presents stock-based compensation included on the condensed consolidated statements of operations (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Stock-based compensation expense: |  |  |  |  |  |  |
Stock options | $ | 4,974 |  |  | $ | 4,992 |  |  | $ | 9,764 |  |  | $ | 10,815 |
RSUs | 3,544 |  |  | 4,656 |  |  | 6,923 |  |  | 8,370 |
| $ | 8,518 |  |  | $ | 9,648 |  |  | $ | 16,687 |  |  | $ | 19,185 |
Stock-based compensation expense in operating expenses: |  |  |  |  |  |  |
Research and development | $ | 2,355 |  |  | $ | 2,761 |  |  | $ | 4,660 |  |  | $ | 5,073 |
Selling, general and administrative | 6,163 |  |  | 6,887 |  |  | 12,027 |  |  | 14,112 |
| $ | 8,518 |  |  | $ | 9,648 |  |  | $ | 16,687 |  |  | $ | 19,185 |
Stock-based compensation expense capitalized into inventory totaled $— during the three months ended June 30, 2026 and $0.3 million during the six months ended June 30, 2026. There was no stock-based compensation expense capitalized into inventory during the three and six months ended June 30, 2025. Capitalized stock-based compensation is recognized as an expense in cost of sales when the related product is sold.
Summary of Stock Option Activity under Equity Plans | The following table summarizes stock option activity and related information during the six months ended June 30, 2026:
| Number of Options |  | Weighted- Average Exercise Price |  | Aggregate Intrinsic Value (in thousands) |  | Weighted- Average Remaining Contractual Life (in years)
Outstanding at December 31, 2025 | 23,932,504 |  |  | $ | 4.97 |  |  | $ | 17 |  |  | 7.9
Granted | 393,600 |  |  | $ | 7.25 |  |  |  |  |
Exercised | (409,276) |  |  | $ | 4.00 |  |  |  |  |
Forfeited/expired | (358,043) |  |  | $ | 5.13 |  |  |  |  |
Outstanding at June 30, 2026 | 23,558,785 |  |  | $ | 5.03 |  |  | $ | 100,928 |  |  | 7.5
Vested and exercisable at June 30, 2026 | 14,788,581 |  |  | $ | 5.68 |  |  | $ | 58,501 |  |  | 6.9
Summary of RSU Activity under Equity Plans | The following table summarizes RSU activity during the six months ended June 30, 2026:
| Number of Units |  | Weighted- Average Grant Date Fair Value
Nonvested balance at December 31, 2025 | 8,127,668 |  |  | $ | 6.56 |
Granted | 320,048 |  |  | $ | 7.42 |
Vested | (2,271,063) |  |  | $ | 3.98 |
Forfeited/canceled | (245,573) |  |  | $ | 4.48 |
Nonvested balance at June 30, 2026 | 5,931,080 |  |  | $ | 7.68 |

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