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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Share Based Compensation Expense Related to Issuance of Stock Option Awards to Employees and Non Employees Related to Employee Stock Purchase Plan | The Company recognized stock-based compensation expense related to the issuance of stock option awards and restricted stock units to employees and non-employees and related to the Company’s 2015 Employee Stock Purchase Plan, or ESPP, in the consolidated statements of comprehensive loss as follows:
| Three Months Ended June 30, |  |  | Six Months Ended June 30, |
| 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Research and development | $ | 4,510 |  |  | $ | 4,196 |  |  | $ | 8,537 |  |  | $ | 7,864 |
Selling, general and administrative |  | 9,504 |  |  |  | 9,591 |  |  |  | 17,530 |  |  |  | 16,303 |
Total | $ | 14,014 |  |  | $ | 13,787 |  |  | $ | 26,067 |  |  | $ | 24,167 |
Summary in Compensation Expense by Type of Award | Compensation expense by type of award in the three and six months ended June 30, 2026 and 2025 was as follows:
| Three Months Ended June 30, |  |  | Six Months Ended June 30, |
| 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Stock options | $ | 8,178 |  |  | $ | 8,707 |  |  | $ | 15,739 |  |  | $ | 16,392 |
RSUs |  | 5,624 |  |  |  | 4,757 |  |  |  | 9,905 |  |  |  | 7,332 |
ESPP |  | 212 |  |  |  | 323 |  |  |  | 423 |  |  |  | 443 |
Total | $ | 14,014 |  |  | $ | 13,787 |  |  | $ | 26,067 |  |  | $ | 24,167 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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