Annual report pursuant to Section 13 and 15(d)

SCHEDULE OF STOCK BASED COMPENSATION (Details)

v3.21.1
SCHEDULE OF STOCK BASED COMPENSATION (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock based compensation expense $ 5,853,000 $ 7,338,000
Tax benefit
Stock based compensation expense, net of tax 5,853,000 7,338,000
Share-based Payment Arrangement, Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock based compensation expense 5,853,000 7,338,000
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 3,126,000 3,932,000
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 2,727,000 3,406,000
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock based compensation expense 2,334,000 899,000
Tax benefit
Stock based compensation expense, net of tax 2,334,000 899,000
Restricted stock-based compensation expense included in operating expense 2,334,000 899,000
Restricted Stock [Member] | Research and Development Expense [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock based compensation expense 957,000 454,000
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 $ 1,377,000 $ 445,000