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ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Contracted research services $ 434 $ 0
Payroll and related expenses 1,182 357
Professional and consulting fees 984 95
Legal fees 299 0
Total accrued expenses $ 2,899 $ 452