Annual report pursuant to Section 13 and 15(d)

Warrant Liabilities (Details 1)

v3.20.4
Warrant Liabilities (Details 1) - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Exercise prie $ 0.63 $ 0.63 $ 0.58
Expected life (years) 3 years 10 months 24 days 3 years 8 months 12 days  
Expected volatility 63.20% 58.60%  
Expected dividend rate 0.00% 0.00% 0.00%
Sep-2018 Warrant [Member]      
Expected forfeiture rate 0.00%    
Risk free rate 0.20%    
Exercise prie $ 1.00    
Market price $ 0.80    
Expected life (years) 8 months 12 days    
Expected volatility 67.70%    
Expected dividend rate 0.00%    
Aug-2020 Warrant [Member]      
Expected forfeiture rate 0.00%    
Risk free rate 0.20%    
Exercise prie $ 0.75    
Market price $ 0.80    
Expected life (years) 1 year 7 months 6 days    
Expected volatility 76.70%    
Expected dividend rate 0.00%