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SHARE BASED COMPENSATION - Schedule of Share-based Compensation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Share-based compensation expense | $ 8,080 | $ 18,100
Research and development expenses |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Share-based compensation expense | 1,714 | 4,746
Selling, general and administrative |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Share-based compensation expense | $ 6,366 | $ 13,354

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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