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Note 3 - Accumulated Other Comprehensive Income (Loss) - Amounts Reclassified from AOCI (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other income (expense), net | $ 573 | $ (7) | $ 607
Revenues | 411,172 | 362,963 | 321,607
Cost of revenues | 89,439 | 79,226 | 69,517
Research and development | 81,289 | 72,548 | 68,239
Sales and marketing | 76,487 | 67,965 | 70,833
General and administrative | 76,274 | 46,570 | 40,765
Reclassification out of Accumulated Other Comprehensive Income [Member] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |  |
Other income (expense), net | (22) | 25 | 0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |
Revenues | (1,667) | 960 | 169
Cost of revenues | 149 | (76) | 0
Research and development | 492 | (264) | 0
Sales and marketing | 28 | (20) | 0
General and administrative | 65 | (36) | 0
Total | $ (933) | $ 564 | $ 169

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