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SCHEDULE OF ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Accounts payable $ 173 $ 1,193
Salaries and other compensation 722 1,129
Legal and accounting 1,082 241
Accrued severance 111 330
Benefit plan accrual 102 659
Clinical trials 161
Accrued offering costs 400
Other 364 596
Total accounts payable and accrued expenses $ 3,115 $ 4,148