STOCKHOLDERS' DEFICIT - Preferred Stock (Details) - $ / shares	Sep. 30, 2017	Dec. 31, 2016	Oct. 06, 2016
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	25,000,000
Preferred stock, par value (in dollars per share)	$ 0.0001
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	750,000	750,000
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares outstanding (in shares)	60,756	125,044	165,541
Series F Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)	140
Series J Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)	1,075
Series K Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)	2,810