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Employee Benefits and Share-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 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 March 31,
|  |  |  |  | 2025 |  | 2024
|  |  |  |  | (In thousands)
Cost of product and service revenues |  |  |  |  | $ | 1,718 |  |  | $ | 1,555 |
Research and development |  |  |  |  | 1,220 |  |  | 1,075 |
Selling, general, and administrative |  |  |  |  | 7,848 |  |  | 6,011 |
Total share-based compensation expense |  |  |  |  | $ | 10,786 |  |  | $ | 8,641 |
Schedule of Assumptions Used to Value ESPP Shares | The following assumptions were used to value shares under the ESPP for the three months ended March 31, 2025 and 2024:
| Three Months Ended March 31, |  |
| 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 | (34) |  |  | 65.41 |  |  |  |  |
Forfeited | — |  |  | — |  |  |  |  |
Outstanding at March 31, 2025 | 1,725 |  |  | $ | 67.58 |  |  | 3.4 |  | $ | 426 |
Exercisable at March 31, 2025 | 1,723 |  |  | $ | 67.50 |  |  | 3.4 |  | $ | 426 |
Vested and expected to vest at March 31, 2025 and thereafter | 1,725 |  |  | $ | 67.58 |  |  | 3.4 |  | $ | 426 |
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 | 160 |  |  | 33.87 |  |  |  |  |
Vested | (110) |  |  | 66.08 |  |  |  |  |
Forfeited | (139) |  |  | 55.85 |  |  |  |  |
Outstanding and unvested at March 31, 2025 | 1,525 |  |  | $ | 51.46 |  |  | 1.5 |  | $ | 53,326 |
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) | (78) |  |  | 28.67 |
Forfeited | — |  |  | — |
Outstanding and unvested at March 31, 2025 | 373 |  |  | $ | 30.16 |
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 March 31, 2025:
| Number of Shares
| (In thousands)
Stock options outstanding | 1,725 |
Non-vested restricted stock awards | 1,947 |
Shares authorized for future issuance | 2,845 |
ESPP shares available for future issuance | 2,391 |
Total shares reserved for future issuance | 8,908 |

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