SCHEDULE OF FAIR VALUE OF FINANCIAL INSTRUMENTS MEASURED ON RECURRING BASIS (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Common stock warrant liability	$ 8,736
Total	8,736	31
Money market funds		2,019
Commercial paper		11,064
Corporate debt securities		8,982
U.S. government debt securities		3,770
Total		25,835
Contingent consideration		31
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Common stock warrant liability
Total
Money market funds		2,019
Commercial paper
Corporate debt securities
U.S. government debt securities
Total		2,019
Contingent consideration
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Common stock warrant liability
Total
Money market funds
Commercial paper		11,064
Corporate debt securities		8,982
U.S. government debt securities		3,770
Total		23,816
Contingent consideration
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Common stock warrant liability	8,736
Total	$ 8,736	31
Money market funds
Commercial paper
Corporate debt securities
U.S. government debt securities
Total
Contingent consideration		$ 31