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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-Based Compensation Expense Included in Consolidated Statements of Operations and Comprehensive Loss | The following table summarizes the total stock-based compensation expense included in the statements of operations and comprehensive loss for all periods presented (in thousands):
| Year Ended December 31,
| 2022 |  | 2021 |  | 2020
Cost of revenue | $ | 2,153 |  |  | $ | 1,896 |  |  | $ | 27 |
Research and development | 6,976 |  |  | 5,565 |  |  | 7,727 |
Selling, general and administrative | 48,611 |  |  | 47,066 |  |  | 33,761 |
Total stock-based compensation expense | $ | 57,740 |  |  | $ | 54,527 |  |  | $ | 41,515 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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