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Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Amortization of acquired intangible assets | $ 90 |
Cost of revenue |  |
Amortization of acquired intangible assets | 72 | $ 899
Stock-based compensation | 41 | 43
Amortization of acquired intangible assets | 72 |
Research and development |  |
Stock-based compensation | 2,351 | 2,363
Selling, general and administrative |  |
Stock-based compensation | 2,806 | 3,678
Amortization of acquired intangible assets | $ 18 | $ 219

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