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Share-Based Payment Arrangements (Details 6) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense $ 64,672 $ 422,953
Non-employee consultants | Non-qualified stock options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense 0 41,159
Non-employee consultants | Restricted stock awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense 0 0
Non-employee consultants | Share-Based Awards    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense $ 0 $ 41,159