Annual report pursuant to Section 13 and 15(d)

Shareholders Equity (Details)

v3.20.1
Shareholders Equity (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Expected volatility 93.10% 93.10%
Term of the option 6 years 2 months 30 days 6 years 2 months 30 days
Risk-free interest rate 2.23%  
Minimum [Member]    
Underlying value of ordinary share 1.7 1.7
Exercise price $ 1.7 $ 1.7
Risk-free interest rate   2.25%
Maximum [Member]    
Underlying value of ordinary share 10 2
Exercise price $ 10 $ 2
Risk-free interest rate   3.05%