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Schedule of Derivative Liability Transactions (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Fair Value Disclosures [Abstract]    
Beginning balance $ 138 $ 383
Fair value upon issuance of warrants
Change in fair value (18) (21)
Extinguishment
Ending balance $ 120 $ 362