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Summary of Significant Accounting Policies (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dilutive adjustments to the number of common shares        
Total 7,396,675 3,337,843 7,396,675 3,337,843
Common stock purchase warrants [Member]        
Dilutive adjustments to the number of common shares        
Total 6,303,643 2,575,988 6,303,643 2,575,988
Stock options [Member]        
Dilutive adjustments to the number of common shares        
Total 1,093,032 761,855 1,093,032 761,855