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Share Option and Warrant Reserves (Details 3)
 12 Months Ended
Dec. 31, 2022
$ / shares
Dec. 31, 2021
$ / shares
Dec. 31, 2020
$ / shares
Statement [Line Items]      
Number of share options outstanding beginning of the year 8,880,324 6,751,997 8,141,004
Weighted average exercise price outstanding beginning of the year $ 1.44 $ 2.00 $ 2.67
Options outstanding, remaining contractual life 3 years 2 months 15 days    
Number of options exercisable 7,047,513    
Options exercisable, exercise price $ 1.56    
Options exercisable, remaining contractual life 2 years 11 months 23 days    
Exercise Price Range 1      
Statement [Line Items]      
Number of share options outstanding beginning of the year 4,848,330    
Weighted average exercise price outstanding beginning of the year $ 0.97    
Options outstanding, remaining contractual life 3 years 10 months 24 days    
Number of options exercisable 3,031,143    
Options exercisable, exercise price $ 0.95    
Options exercisable, remaining contractual life 3 years 9 months 10 days    
Exercise Price Range 2      
Statement [Line Items]      
Number of share options outstanding beginning of the year 1,277,639    
Weighted average exercise price outstanding beginning of the year $ 1.72    
Options outstanding, remaining contractual life 1 year 9 months 18 days    
Number of options exercisable 1,262,015    
Options exercisable, exercise price $ 1.72    
Options exercisable, remaining contractual life 1 year 9 months 7 days    
Exercise Price Range 3      
Statement [Line Items]      
Number of share options outstanding beginning of the year 2,754,355    
Weighted average exercise price outstanding beginning of the year $ 2.16    
Options outstanding, remaining contractual life 2 years 7 months 24 days    
Number of options exercisable 2,754,355    
Options exercisable, exercise price $ 2.16    
Options exercisable, remaining contractual life 2 years 7 months 24 days