Quarterly report pursuant to Section 13 or 15(d)

NOTES PAYABLE (Details 4)

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NOTES PAYABLE (Details 4) - Convertible Promissory Notes [Member] - Conversion Feature Liabilities [Member] - Other Current Liabilities [Member] - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Balance beginning of period $ 7,507  
Fair value at issuance date   $ 5,594
Change in fair value included in the statement of operations (3,080) 1,913
Balance end of period $ 4,427 $ 7,507