Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Details 1)

v3.21.1
Shareholders' Equity (Details 1) - Black Scholes [Member] - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Fair value of the options    
Expected Term 5 years 9 months  
Expected Dividend
Minimum [Member]    
Fair value of the options    
Fair Value per Share $ 1.36 $ 1.45
Expected Term   1 year 5 months 16 days
Expected Volatility 102.39% 97.37%
Risk free rate 0.49% 2.32%
Maximum [Member]    
Fair value of the options    
Fair Value per Share $ 1.48 $ 3.39
Expected Term   5 years 9 months
Expected Volatility 103.83% 101.09%
Risk free rate 0.72% 2.51%