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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense     $ 2,410,000 $ 2,834,000
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 $ 608,000 $ 871,000 1,217,000 1,615,000
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 719,000 707,000 1,193,000 1,219,000
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 1,327,000 1,578,000 2,410,000 2,834,000
Restricted Stock [Member] | Research and Development Expense [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 484,000 147,000 1,030,000 472,000
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 617,000 40,000 938,000 179,000
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 $ 1,101,000 $ 187,000 $ 1,968,000 $ 651,000