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Share-Based Payment (Details 1) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Stock Options [Member]        
Schedule of Share Based Payment Award [Line Items]        
Options outstanding at end of year 6,200,000 6,200,000 7,355,833 6,750,000
Range of Exercise Prices One [Member]        
Schedule of Share Based Payment Award [Line Items]        
Options outstanding at end of year 2,150,000 2,150,000    
Weighted average remaining contractual life 7 years 2 months 27 days 7 years 2 months 27 days    
Range of Exercise Prices One [Member] | Bottom of range [member]        
Schedule of Share Based Payment Award [Line Items]        
Range of exercise prices $ 0 $ 0    
Range of Exercise Prices One [Member] | Top of range [member]        
Schedule of Share Based Payment Award [Line Items]        
Range of exercise prices $ 0.14 $ 0.14    
Range of Exercise Prices Two [Member]        
Schedule of Share Based Payment Award [Line Items]        
Options outstanding at end of year 4,050,000 4,050,000    
Weighted average remaining contractual life 6 years 1 month 13 days 6 years 1 month 13 days    
Range of Exercise Prices Two [Member] | Bottom of range [member]        
Schedule of Share Based Payment Award [Line Items]        
Range of exercise prices $ 0.15 $ 0.15    
Range of Exercise Prices Two [Member] | Top of range [member]        
Schedule of Share Based Payment Award [Line Items]        
Range of exercise prices $ 1.6 $ 1.6