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Liquidity and Management's Plan (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Jun. 30, 2022
Mar. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Net loss $ (41,026) $ (27,241) $ (76,932) $ (37,614)    
Accumulated deficit     128,908      
Cash used in operating activities     19,232      
Cash and cash equivalents $ 5,453   $ 5,453      
Convertible debentures         $ 28,000 $ 28,000