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Stock Options (Details) - Stock Options [Member] - $ / shares
6 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Exercise Price $ 0.73 $ 0.76
Number of Options 15,371,765 14,378,432
0.36 [Member]    
Exercise Price $ 0.36  
Number of Options 250,000  
Vesting Terms Immediately  
0.40 [Member]    
Exercise Price $ 0.40  
Number of Options 1,000,000  
Vesting Terms Immediately