Stockholders' Equity and Convertible Preferred Stock (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Preferred stock, issued
Preferred stock, par value	$ 0.0001	$ 0.0001
Series "A" [Member]
Preferred stock, issued
Preferred stock, outstanding
Preferred stock, par value	$ 0.0001
Conversion Ratio
Series "C" [Member]
Preferred stock, issued
Preferred stock, outstanding
Preferred stock, par value	$ 0.0001
Conversion Ratio	0.05:1
Series "D" [Member]
Preferred stock, issued	4,725	4,725
Preferred stock, outstanding	4,725	4,725
Preferred stock, par value	$ 0.0001
Conversion Ratio	0.53:1
Series "D-1" [Member]
Preferred stock, issued	834	834
Preferred stock, outstanding	834	834
Preferred stock, par value	$ 0.0001
Conversion Ratio	0.53:1
Series "F-1" [Member]
Preferred stock, issued
Preferred stock, outstanding
Preferred stock, par value	$ 0.0001
Conversion Ratio	0.05:1
Series "H" [Member]
Preferred stock, issued
Preferred stock, outstanding
Preferred stock, par value	$ 0.0001
Conversion Ratio	0.53:1
Series "I" [Member]
Preferred stock, issued
Preferred stock, outstanding
Preferred stock, par value	$ 0.0001
Conversion Ratio	1.05:1
Series "J" [Member]
Preferred stock, issued
Preferred stock, outstanding
Preferred stock, par value	$ 0.0001
Conversion Ratio	0.05:1
Series "K" [Member]
Preferred stock, issued
Preferred stock, outstanding
Preferred stock, par value	$ 0.0001
Conversion Ratio	263.16:1