Quarterly report pursuant to Section 13 or 15(d)

SCHEDULE OF STOCK BASED COMPENSATION (Details)

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SCHEDULE OF STOCK BASED COMPENSATION (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock based compensation expense $ 724 $ 2,428 $ 1,586 $ 4,378
Research and Development Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock based compensation expense 540 1,092 556 2,247
General and Administrative Expense [Member]        
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock based compensation expense $ 184 $ 1,336 $ 1,030 $ 2,131