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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (UNAUDITED) (PARENTHETICAL) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Research and Development Arrangement [Member]    
Related party expenses $ 2,000 $ 188
In Process Research and Development [Member]    
Related party expenses $ 0 $ 1,000