Quarterly report pursuant to Section 13 or 15(d)

SCHEDULE OF STOCK BASED COMPENSATION (Details)

v3.21.2
SCHEDULE OF STOCK BASED COMPENSATION (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense     $ 3,797,000 $ 4,083,000
Share-based Payment Arrangement, Option [Member] | Research and Development Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 432,000 $ 765,000 1,649,000 2,380,000
Share-based Payment Arrangement, Option [Member] | Selling, General and Administrative Expenses [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 955,000 484,000 2,148,000 1,703,000
Share-based Payment Arrangement, Option [Member] | Stock Option-Based Compensation Expense Included in Operating Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 1,387,000 1,249,000 3,797,000 4,083,000
Restricted Stock [Member] | Research and Development Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 256,000 89,000 1,286,000 561,000
Restricted Stock [Member] | Selling, General and Administrative Expenses [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 894,000 72,000 1,832,000 251,000
Restricted Stock [Member] | Stock Option-Based Compensation Expense Included in Operating Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 1,150,000 $ 161,000 $ 3,118,000 $ 812,000