Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2020	Dec. 31, 2019
Preferred stock, shares authorized	20,000,000	20,000,000
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	16,509,964	3,948,078
Common stock, shares outstanding	16,509,964	3,948,078
Convertible Preferred Stock Series H [Member]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	8,500	8,500
Preferred stock, shares issued	8	8
Preferred stock, shares outstanding	0	0
Convertible Preferred Stock Series H-3 [Member]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	8,461	8,461
Preferred stock, shares issued	2,189	2,189
Preferred stock, shares outstanding	0	0
Convertible Preferred Stock Series H-6 [Member]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	50,000	50,000
Preferred stock, shares issued	7,883	7,883
Preferred stock, shares outstanding	0	0
Convertible Seed Preferred Stock [Member]
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	0	0
Preferred stock, shares issued	0	7,360,985
Preferred stock, shares outstanding	0	7,360,985