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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Stock-Based Compensation Expense | Stock-based compensation expense was as follows (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Cost of product revenues |  | $ | 897 |  |  | $ | 899 |  |  | $ | 1,733 |  |  | $ | 1,866 |
Selling, general and administrative |  |  | 2,085 |  |  |  | 1,790 |  |  |  | 4,044 |  |  |  | 3,984 |
Research and development |  |  | 1,198 |  |  |  | 1,020 |  |  |  | 2,255 |  |  |  | 2,208 |
Total stock-based compensation |  | $ | 4,180 |  |  | $ | 3,709 |  |  | $ | 8,032 |  |  | $ | 8,058 |
Summary of Compensation Expenses by Type of Award | Compensation expense by type of award was as follows (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
Stock options |  | $ | 3,792 |  |  | $ | 3,386 |  |  | $ | 7,319 |  |  | $ | 7,463 |
ESPP |  |  | 388 |  |  |  | 323 |  |  |  | 713 |  |  |  | 595 |
Total stock-based compensation |  | $ | 4,180 |  |  | $ | 3,709 |  |  | $ | 8,032 |  |  | $ | 8,058 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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