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Equity Incentive Plans and Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of shares available for grant | A summary of shares available for grant under the Company’s plans is as follows:
|  | Shares Available for Grant
Total shares available for grant as of December 31, 2024 |  | 10,889,878
Nonvested equity stock and stock units granted (1) |  | (51,449)
Nonvested equity stock and stock units forfeited (1) |  | 95,826
Total shares available for grant as of March 31, 2025 |  | 10,934,255
_________________________________________ (1) For purposes of determining the number of shares available for grant under the 2015 Plan against the maximum number of shares authorized, each restricted stock unit granted prior to April 27, 2023 reduces the number of shares available for grant by 1.5 shares and each restricted stock unit forfeited increases shares available for grant by 1.5 shares. Each restricted stock unit granted on or after April 27, 2023 reduces the number of shares available for grant by 1.0 share and each restricted stock unit forfeited increases shares available for grant by 1.0 share.
Schedule of stock-based compensation expenses | Stock-based compensation expense recorded in the Unaudited Condensed Consolidated Statements of Income was as follows:
|  | Three Months Ended
|  | March 31,
(In thousands) |  | 2025 |  | 2024
Cost of revenue |  | $ | 162 |  |  | $ | 124 |
Research and development |  | 4,511 |  |  | 3,442 |
Sales, general and administrative |  | 6,710 |  |  | 5,930 |
Total |  | $ | 11,383 |  |  | $ | 9,496 |
Schedule of nonvested equity stock and stock units activity | The following table reflects the activity related to nonvested equity stock and stock units for the three months ended March 31, 2025:
Nonvested Equity Stock and Stock Units |  | Shares |  | Weighted- Average Grant-Date Fair Value
Nonvested as of December 31, 2024 |  | 3,150,161 |  | $ | 44.72 |
Granted |  | 51,449 |  | $ | 55.35 |
Vested |  | (856,378) |  | $ | 33.15 |
Forfeited |  | (53,452) |  | $ | 49.60 |
Nonvested as of March 31, 2025 |  | 2,291,780 |  | $ | 49.16 |

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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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