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Share Option and Warrant Reserves (Details 3)
 6 Months Ended
Jun. 30, 2022
$ / shares
Jun. 30, 2022
$ / shares
Dec. 31, 2021
$ / shares
Dec. 31, 2021
$ / shares
Dec. 31, 2020
$ / shares
Statement [Line Items]          
Number of share options outstanding beginning of the year 9,036,589 9,036,589 6,751,997 6,751,997 8,141,004
Weighted average exercise price outstanding beginning of the year | (per share) $ 1.46 $ 1.46 $ 2.00 $ 2.00 $ 2.67
Options outstanding, remaining contractual life 3 years 8 months 4 days        
Number of options exercisable 5,991,590 5,991,590      
Options exercisable, exercise price   $ 1.68      
Options exercisable, remaining contractual life 3 years 2 months 23 days        
Exercise Price Range 1          
Statement [Line Items]          
Number of share options outstanding beginning of the year 6,185,969 6,185,969      
Weighted average exercise price outstanding beginning of the year   $ 1.12      
Options outstanding, remaining contractual life 3 years 11 months 19 days        
Number of options exercisable 3,140,970 3,140,970      
Options exercisable, exercise price   $ 1.22      
Options exercisable, remaining contractual life 3 years 4 months 20 days        
Exercise Price Range 2          
Statement [Line Items]          
Number of share options outstanding beginning of the year 2,847,703 2,847,703      
Weighted average exercise price outstanding beginning of the year   $ 2.19      
Options outstanding, remaining contractual life 3 years 21 days        
Number of options exercisable 2,847,703 2,847,703      
Options exercisable, exercise price   $ 2.19      
Options exercisable, remaining contractual life 3 years 21 days        
Exercise Price Range 3          
Statement [Line Items]          
Number of share options outstanding beginning of the year 2,917 2,917      
Weighted average exercise price outstanding beginning of the year   $ 8.23      
Options outstanding, remaining contractual life 2 months 12 days        
Number of options exercisable 2,917 2,917      
Options exercisable, exercise price   $ 8.23      
Options exercisable, remaining contractual life 2 months 12 days