Quarterly report pursuant to Section 13 or 15(d)

Warrants - Schedule of Assumptions (Details)

v3.20.2
Warrants - Schedule of Assumptions (Details) - Warrant
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Dividend yield 0.00% 0.00%
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 0.20% 1.60%
Volatility 121.30% 97.50%
Expected life (years) 1 year 7 months 6 days 2 years 1 month 6 days
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 0.40% 1.70%
Volatility 144.80% 107.50%
Expected life (years) 5 years 1 month 6 days 4 years 3 months 18 days