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Employee Benefits and Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation Expense | The following table sets forth the total share-based compensation expense recognized in the Company’s Condensed Consolidated Statements of Operations:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (In thousands)
Cost of product and service revenues | $ | 1,207 |  |  | $ | 1,620 |  |  | $ | 2,925 |  |  | $ | 3,175 |
Research and development | 1,022 |  |  | 1,139 |  |  | 2,242 |  |  | 2,214 |
Selling, general, and administrative | 8,301 |  |  | 7,272 |  |  | 16,149 |  |  | 13,283 |
Total share-based compensation expense | $ | 10,530 |  |  | $ | 10,031 |  |  | $ | 21,316 |  |  | $ | 18,672 |
Schedule of Assumptions Used to Value ESPP Shares | The following assumptions were used to value shares under the ESPP:
|  |  | Three and Six Months Ended June 30,
|  |  |  |  | 2025 |  | 2024
Expected life, years |  |  |  |  | 0.5 - 2.0 |  | 0.5 - 2.0
Expected volatility, % |  |  |  |  | 45.8% - 58.7% |  | 33.7% - 57.0%
Risk-free interest rate, % |  |  |  |  | 4.1% - 5.2% |  | 1.5% - 5.5%
Dividend yield, % |  |  |  |  | — | % |  | — | %
Schedule of Share Option Activity | The following table summarizes the stock option activity under the 2009 Plan:
| Number of Shares |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Years |  | Aggregate Intrinsic Value
| (In thousands, except per share data)
Outstanding at December 31, 2024 | 1,760 |  |  | $ | 67.51 |  |  | 3.6 |  | $ | 2,619 |
Granted | — |  |  | — |  |  |  |  |
Exercised | (1) |  |  | 30.92 |  |  |  |  |
Expired | (131) |  |  | 70.64 |  |  |  |  |
Forfeited | — |  |  | — |  |  |  |  |
Outstanding at June 30, 2025 | 1,628 |  |  | $ | 67.29 |  |  | 3.2 |  | $ | 84 |
Exercisable at June 30, 2025 | 1,627 |  |  | $ | 67.23 |  |  | 3.2 |  | $ | 84 |
Vested and expected to vest at June 30, 2025 and thereafter | 1,628 |  |  | $ | 67.28 |  |  | 3.2 |  | $ | 84 |
Schedule of Restricted Stock Unit Activity | The following table summarizes the RSU activity under the 2009 Plan:
| Number of Shares |  | Weighted-Average Grant Date Fair Value |  | Weighted-Average Remaining Years |  | Aggregate Intrinsic Value
| (In thousands, except per share data)
Outstanding at December 31, 2024 | 1,614 |  |  | $ | 54.58 |  |  | 1.6 |  | $ | 71,849 |
Granted | 186 |  |  | 33.09 |  |  |  |  |
Vested | (186) |  |  | 73.11 |  |  |  |  |
Forfeited | (214) |  |  | 54.66 |  |  |  |  |
Outstanding and unvested at June 30, 2025 | 1,400 |  |  | $ | 49.27 |  |  | 1.3 |  | $ | 41,166 |
Schedule of Performance-Based Restricted Stock Activity | The following table summarizes the PSU activity under the 2009 Plan:
| Number of Shares |  | Weighted-Average Grant Date Fair Value
| (In thousands, except per share data)
Outstanding at December 31, 2024 | 177 |  |  | $ | 28.67 |
Granted (Awarded) | 139 |  |  | 32.66 |
Additional granted based on performance achievement | 135 |  |  | 28.67 |
Vested (Released) | (97) |  |  | 28.67 |
Forfeited | — |  |  | — |
Outstanding and unvested at June 30, 2025 | 354 |  |  | $ | 30.24 |
Schedule of Ordinary Shares Reserved for Future Issuance Under Equity Incentive Plans | The Company had the following ordinary shares reserved for future issuance under its equity incentive plans as of June 30, 2025:
| Number of Shares
| (In thousands)
Stock options outstanding | 1,628 |
Non-vested restricted stock awards | 1,808 |
Shares authorized for future issuance | 4,691 |
ESPP shares available for future issuance | 2,391 |
Total shares reserved for future issuance | 10,518 |

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