Summary of Significant Accounting Policies (Details 1) - shares	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Antidilutive securities excluded from computation of earnings per share	1,303,771	3,771,233
Common Stock Options [Member]
Antidilutive securities excluded from computation of earnings per share	380,396	202,058
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