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Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Restructuring | $ 90 | $ 0 | $ 1,493 | $ 0
Stock-based compensation | (1,042) | (1,252) |  |
Cost of revenue |  |  |  |
Restructuring | 0 | 0 | 16 | 0
Stock-based compensation | 13 | 21 | 41 | 67
Research and development |  |  |  |
Stock-based compensation | 327 | 452 | 973 | 1,470
Selling, general and administrative |  |  |  |
Stock-based compensation | $ 702 | $ 779 | $ 2,028 | $ 2,140

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