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STOCK-BASED COMPENSATION PLANS - Stock-Based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Stock-based compensation |  |  |  |
Stock-based compensation | $ 4,477 | $ 3,494 | $ 8,775 | $ 8,016
Product cost of revenue |  |  |  |
Stock-based compensation |  |  |  |
Stock-based compensation | 33 | 64 | 99 | 170
Service cost of revenue |  |  |  |
Stock-based compensation |  |  |  |
Stock-based compensation | 198 | 274 | 484 | 746
Research and development |  |  |  |
Stock-based compensation |  |  |  |
Stock-based compensation | 455 | 616 | 1,180 | 1,684
Sales and marketing |  |  |  |
Stock-based compensation |  |  |  |
Stock-based compensation | 1,066 | 954 | 2,239 | 2,111
General and administrative |  |  |  |
Stock-based compensation |  |  |  |
Stock-based compensation | $ 2,725 | $ 1,586 | $ 4,773 | $ 3,305

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