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Summary of Significant Accounting Policies (Details 1) - shares
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Antidilutive securities excluded from computation of earnings per share 1,303,771 3,726,055
Common Stock Options [Member]    
Antidilutive securities excluded from computation of earnings per share 380,396 156,880
Series A, H-1, H-3, H-4, I, J and Merger Common Stock Purchase Warrants    
Antidilutive securities excluded from computation of earnings per share 585,306 585,307
Series H, H-3, and H-4 Convertible Preferred Stock [Member]    
Antidilutive securities excluded from computation of earnings per share 338,069 2,739,225
Restricted Shares (Unvested) [Member]    
Antidilutive securities excluded from computation of earnings per share 0 244,643