Annual report pursuant to Section 13 and 15(d)

COMMON STOCK OPTIONS AND WARRANTS (Schedule of Fair Value Assumptions) (Details)

v3.21.1
COMMON STOCK OPTIONS AND WARRANTS (Schedule of Fair Value Assumptions) (Details) - Employee Stock Options [Member] - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield
Estimated annual forfeitures
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk free interest rate 0.18% 1.44%
Expected term in years 2 years 6 months 2 years 9 months 3 days
Volatility of common stock 68.00% 117.18%
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk free interest rate 0.26% 2.44%
Expected term in years 3 years 6 months 3 years 2 months 30 days
Volatility of common stock 86.24% 151.43%