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SCHEDULE OF ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Payables and Accruals [Abstract]    
Accounts payable $ 713 $ 173
Salaries and other compensation 711 722
Legal and accounting 2,277 1,082
Accrued severance 45 111
Benefit plan accrual 101 102
Clinical trials 200 161
Accrued offering costs 104 400
Other 458 364
Total accounts payable and accrued expenses $ 4,609 $ 3,115