Stockholders' Equity and Redeemable Convertible Preferred Stock (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 02, 2015	Dec. 31, 2013
Preferred stock, par value (in dolars per share)	$ 0.0001	$ 0.0001
Series A [Member]
Preferred stock, issued
Preferred stock,outstandig
Preferred stock, par value (in dolars per share)	$ 0.0001
Conversion Ratio	-
Series "C" [Member]
Preferred stock, issued
Preferred stock,outstandig
Preferred stock, par value (in dolars per share)	$ 0.0001
Conversion Ratio	0.05:1
Series "D" [Member]
Preferred stock, issued	4,725	4,725
Preferred stock,outstandig	4,725	4,725
Preferred stock, par value (in dolars per share)	$ 0.0001
Conversion Ratio	0.53:1
Series "D-1" [Member]
Preferred stock, issued	834	834
Preferred stock,outstandig	834	834
Preferred stock, par value (in dolars per share)	$ 0.0001
Conversion Ratio	0.53:1
Series "F-1" [Member]
Preferred stock, issued
Preferred stock,outstandig
Preferred stock, par value (in dolars per share)	$ 0.0001
Conversion Ratio	0.05:1
Series H Convertible Preferred Stock [Member]
Preferred stock, issued		381,967
Preferred stock,outstandig		381,967
Preferred stock, par value (in dolars per share)	$ 0.0001			$ 83.50
Conversion Ratio	0.53:1
Series "I" [Member]
Preferred stock, issued
Preferred stock,outstandig
Preferred stock, par value (in dolars per share)	$ 0.0001
Conversion Ratio	1.05:1
Series "J" [Member]
Preferred stock, issued
Preferred stock,outstandig
Preferred stock, par value (in dolars per share)	$ 0.0001
Conversion Ratio	0.05:1
Series K Convertible Preferred Stock [Member]
Preferred stock, issued		1,240
Preferred stock,outstandig		1,240
Preferred stock, par value (in dolars per share)	$ 0.0001		$ 1,000
Conversion Ratio	263.16:1