Quarterly report pursuant to Section 13 or 15(d)

SCHEDULE OF STOCK BASED COMPENSATION (Details)

v3.20.2
SCHEDULE OF STOCK BASED COMPENSATION (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 1,578,000 $ 1,678,000 $ 2,834,000 $ 3,781,000
Tax benefit  
Stock based compensation expense, net of tax 1,578,000 1,678,000 2,834,000 3,781,000
Share-based Payment Arrangement, Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 1,578,000 1,678,000 2,834,000 3,781,000
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 871,000 1,009,000 1,615,000 2,041,000
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 $ 707,000 $ 669,000 $ 1,219,000 $ 1,740,000