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Going Concern Uncertainty and Management’s Plan (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2023
Jun. 30, 2023
Dec. 31, 2022
Jun. 30, 2022
Mar. 31, 2022
Going Concern Uncertainty and Management’s Plan [Abstract]          
Net loss $ 11,293 $ 18,932 $ 95,255    
Accumulated deficit   168,629 147,231    
Cash used in operating activities   5,300 23,760    
Cash and cash equivalents 215 215 513    
Convertible debentures       $ 28,000 $ 28,000
Initially intended capital amount $ 300,000 $ 300,000 $ 300,000