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Note 3 - Stock-based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Share-Based Payment Arrangement, Cost by Plan [Table Text Block] |
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Cost of revenue |  | $ | 1,916 |  |  | $ | 1,576 |  |  | $ | 5,502 |  |  | $ | 4,585 |
Research and development (“R&D”) |  |  | 12,578 |  |  |  | 11,331 |  |  |  | 36,725 |  |  |  | 33,460 |
Selling, general and administrative (“SG&A”) |  |  | 46,183 |  |  |  | 38,491 |  |  |  | 131,354 |  |  |  | 111,585 |
Total stock-based compensation expense |  | $ | 60,677 |  |  | $ | 51,398 |  |  | $ | 173,581 |  |  | $ | 149,630 |
Tax benefit related to stock-based compensation (1) |  | $ | 756 |  |  | $ | 766 |  |  | $ | 1,919 |  |  | $ | 2,272 |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Time-Based RSUs |  | PSUs and MPSUs |  | MSUs |  | Total
|  |  |  |  |  | Weighted- |  |  |  |  |  |  | Weighted- |  |  |  |  |  | Weighted- |  |  |  |  |  | Weighted-
|  |  |  |  |  | Average |  |  |  |  |  |  | Average |  |  |  |  |  | Average |  |  |  |  |  | Average
|  |  |  |  |  | Grant Date |  |  |  |  |  |  | Grant Date |  |  |  |  |  | Grant Date |  |  |  |  |  | Grant Date
|  | Number of |  | Fair Value |  | Number of |  |  | Fair Value |  | Number of |  | Fair Value |  | Number of |  | Fair Value
|  | Shares |  | Per Share |  | Shares |  |  | Per Share |  | Shares |  | Per Share |  | Shares |  | Per Share
Outstanding at January 1, 2025 |  |  | 85 |  |  | $ | 516.12 |  |  |  | 681 |  |  |  | $ | 524.08 |  |  |  | 938 |  |  | $ | 203.32 |  |  |  | 1,704 |  |  | $ | 347.01 |
Granted |  |  | 38 |  |  | $ | 650.32 |  |  |  | 274 |  | (1) |  | $ | 564.69 |  |  |  | - |  |  | $ | - |  |  |  | 312 |  |  | $ | 574.95 |
Vested |  |  | (33 | ) |  | $ | 477.06 |  |  |  | (40 | ) |  |  | $ | 400.90 |  |  |  | - |  |  | $ | - |  |  |  | (73 | ) |  | $ | 435.39 |
Forfeited |  |  | (5 | ) |  | $ | 565.80 |  |  |  | (4 | ) |  |  | $ | 526.65 |  |  |  | (11 | ) |  | $ | 297.45 |  |  |  | (20 | ) |  | $ | 413.13 |
Outstanding at September 30, 2025 |  |  | 85 |  |  | $ | 589.21 |  |  |  | 911 |  |  |  | $ | 541.13 |  |  |  | 927 |  |  | $ | 202.25 |  |  |  | 1,923 |  |  | $ | 379.76 |

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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 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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