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Net Loss Per Share of Common Stock (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares as they would be antidilutive    
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares 6,104,834 4,189,767
Warrants    
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares as they would be antidilutive    
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares 5,725,506 3,294,771
Stock options    
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares as they would be antidilutive    
Potentially dilutive securities outstanding excluded from the computation of diluted weighted average shares 379,328 894,996