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Warrant Liabilities (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Current Portion Of Warrant Liability $ 3,077 $ 2,027
Warrant Liability 6,186  
Total 9,263  
Feb-2021 Warrant [Member]    
Current Portion Of Warrant Liability 0  
Warrant Liability 6,186  
Total 6,186  
Aug-2020 Warrant [Member]    
Current Portion Of Warrant Liability 3,077  
Warrant Liability 0  
Total $ 3,077