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Stock Options (Details 1) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Total $ 47,649 $ 832 $ 170,146
Stock Option [Member] | Research and development[Member]        
Total 7,091 27,966
Stock Option [Member] | General and administrative [Member]        
Total $ 40,558 $ 832 $ 142,180