Quarterly report pursuant to Section 13 or 15(d)

SCHEDULE OF STOCK BASED COMPENSATION (Details)

v3.21.1
SCHEDULE OF STOCK BASED COMPENSATION (Details) - USD ($)
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation expense $ 1,083,000 $ 1,256,000
Share-based Payment Arrangement, Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation expense 1,083,000 1,256,000
Tax benefit
Stock based compensation expense, net of tax 1,083,000 1,256,000
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 609,000 744,000
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 474,000 512,000
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 1,083,000 1,256,000
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation expense 867,000 464,000
Tax benefit
Stock based compensation expense, net of tax 867,000 464,000
Restricted Stock [Member] | Research and Development Expense [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation expense 546,000 325,000
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 321,000 139,000
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 $ 867,000 $ 464,000