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Stock Options (Details 1) - Stock Options [Member] - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Number of Options 15,371,765 14,378,432
Remaining Life In Years 8 years 1 month 13 days 8 years 5 months 23 days
Number of Options Exercisable 15,299,765  
Exercise Price $ 0.51  
0.01 - 0.25 [Member]    
Number of Options 1,056,786  
Remaining Life In Years 5 years 11 months 4 days  
Number of Options Exercisable 1,056,786  
0.26 - 0.50 [Member]    
Number of Options 1,939,631  
Remaining Life In Years 8 years 9 months 7 days  
Number of Options Exercisable 1,939,631  
0.51 - 0.75 [Member]    
Number of Options 1,820,112  
Remaining Life In Years 8 years 2 months 5 days  
Number of Options Exercisable 1,820,112  
0.76 - 1.00 [Member]    
Number of Options 9,926,072  
Remaining Life In Years 8 years 2 months 16 days  
Number of Options Exercisable 9,854,072  
1.01 - 2.00 [Member]    
Number of Options 629,164  
Remaining Life In Years 8 years 1 month 9 days  
Number of Options Exercisable 629,164  
Minimum [Member] | 0.01 - 0.25 [Member]    
Exercise Price $ 0.01  
Minimum [Member] | 0.26 - 0.50 [Member]    
Exercise Price 0.26  
Minimum [Member] | 0.51 - 0.75 [Member]    
Exercise Price 0.51  
Minimum [Member] | 0.76 - 1.00 [Member]    
Exercise Price 0.76  
Minimum [Member] | 1.01 - 2.00 [Member]    
Exercise Price 1.01  
Maximum [Member] | 0.01 - 0.25 [Member]    
Exercise Price 0.25  
Maximum [Member] | 0.26 - 0.50 [Member]    
Exercise Price 0.50  
Maximum [Member] | 0.51 - 0.75 [Member]    
Exercise Price 0.75  
Maximum [Member] | 0.76 - 1.00 [Member]    
Exercise Price 1.00  
Maximum [Member] | 1.01 - 2.00 [Member]    
Exercise Price $ 2.00