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Stock-based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-based Compensation Expense | Stock-based compensation expense is included in the unaudited condensed consolidated statements of operations as follows (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Cost of product revenue | $ | 16 |  |  | $ | 93 |  |  | $ | 134 |  |  | $ | 309 |
Research and development | 675 |  |  | 690 |  |  | 2,064 |  |  | 2,151 |
Selling, general and administrative | 1,822 |  |  | 1,925 |  |  | 5,226 |  |  | 8,101 |
Total | $ | 2,513 |  |  | $ | 2,708 |  |  | $ | 7,424 |  |  | $ | 10,561 |
Schedule of Stock-based Compensation Expense by Security Types | The following table presents total stock-based compensation expense by security type included in the unaudited condensed consolidated statements of operations (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Stock options | $ | 1,455 |  |  | $ | 1,506 |  |  | $ | 4,289 |  |  | $ | 5,137 |
Restricted stock units (“RSUs”) and RSAs | 950 |  |  | 1,109 |  |  | 2,805 |  |  | 3,578 |
Performance-contingent restricted stock units (“PSUs”) | — |  |  | — |  |  | — |  |  | 247 |
Performance based options (“PBOs”) | — |  |  | — |  |  | — |  |  | 1,357 |
ESPP | 108 |  |  | 93 |  |  | 330 |  |  | 242 |
Total | $ | 2,513 |  |  | $ | 2,708 |  |  | $ | 7,424 |  |  | $ | 10,561 |

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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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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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