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SHARE BASED COMPENSATION - Schedule of Share-based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Expense |  |  |  |
Share-based compensation | $ 1,174 | $ 2,405 | $ 3,230 | $ 6,748
Research and development expenses |  |  |  |
Expense |  |  |  |
Share-based compensation | 355 | 435 | 977 | 1,335
Selling, general and administrative |  |  |  |
Expense |  |  |  |
Share-based compensation | 819 | 1,662 | 2,605 | 4,334
Discontinued operations* |  |  |  |
Expense |  |  |  |
Share-based compensation | $ 0 | $ 308 | $ (352) | $ 1,079

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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