Shareholders’ Deficit (Details) - shares	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Jan. 31, 2019
Series C-1 Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	3,906	3,906	3,906
Convertible Preferred Stock, Shares Reserved for Future Issuance	6,735,378		6,735,378
Common Stock [Member]
Class of Stock [Line Items]
Shares issued upon conversion (in share)				782,031
Series F Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)				2,737
Common Stock [Member]
Class of Stock [Line Items]
Warrants outstanding (in shares)	10,000		10,000