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STOCK-BASED COMPENSATION PLANS - Schedule of Stock-Based Compensation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Stock-based compensation |  |  |
Stock-based compensation | $ 18,707 | $ 19,418 | $ 13,899
Product cost of revenue |  |  |
Stock-based compensation |  |  |
Stock-based compensation | 471 | 313 | 174
Service cost of revenue |  |  |
Stock-based compensation |  |  |
Stock-based compensation | 2,157 | 1,684 | 701
Research and development |  |  |
Stock-based compensation |  |  |
Stock-based compensation | 5,108 | 4,253 | 2,968
Sales and marketing |  |  |
Stock-based compensation |  |  |
Stock-based compensation | 6,074 | 7,218 | 4,129
General and administrative |  |  |
Stock-based compensation |  |  |
Stock-based compensation | $ 4,897 | $ 5,950 | $ 5,927

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