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Stock-Based Compensation (Details 1) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]          
Total stock-based services expense $ 119,510 $ 11,849 $ 373,947 $ 11,849 $ 76,794
General and administrative [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]          
Total stock-based services expense 115,000 4,628 367,000 4,628 2,065
Research and development [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]          
Total stock-based services expense $ 4,510 $ 7,221 $ 6,947 $ 7,221 $ 74,729