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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Statement of Comprehensive Income [Abstract]        
Net loss $ (41,051,000) $ (26,697,000) $ (99,266,000) $ (84,095,000)
Net unrealized gain (loss) on marketable securities 153,000 13,000 (468,000) (62,000)
Foreign currency translation adjustments 9,000   21,000  
Comprehensive loss $ (40,889,000) $ (26,684,000) $ (99,713,000) $ (84,157,000)