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Business Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Business Segment [Line Items]        
Depreciation expenses $ 5 $ 74 $ 1,251 $ 159
Changes in fair value of convertible debentures, warrant liability (36) (1,349) (244) (1,349)
Commitments [Member]        
Business Segment [Line Items]        
Commitment fee and expense 1,312 3,866 2,582 5,556
Warrant [Member]        
Business Segment [Line Items]        
Changes in fair value of convertible debentures, warrant liability $ (36) $ 31,010 $ (244) $ 55,493