STOCKHOLDERS' EQUITY (Convertible Promissory Note Warrants) (Details) - USD ($)	1 Months Ended	9 Months Ended
	Apr. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Feb. 28, 2018	Aug. 31, 2017
Convertible Promissory Note Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)		$ 21.00			$ 45.00
2018 Inducement Agreement
Class of Stock [Line Items]
Deemed dividend			$ 3,848,000
2018 Inducement Agreement | Convertible Promissory Note Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)		$ 11.25
2018 Purchase Agreement | Convertible Promissory Note Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)				$ 15.60
2018 Note Agreement
Class of Stock [Line Items]
Exercise price (in dollars per share)	$ 4.50
2018 Note Agreement | Deemed Dividend N
Class of Stock [Line Items]
Deemed dividend	$ 1,000
Maximum | 2018 Inducement Agreement | Convertible Promissory Note Warrants | Deemed Dividend I
Class of Stock [Line Items]
Deemed dividend		$ 1,000
Maximum | 2018 Purchase Agreement | Convertible Promissory Note Warrants | Deemed Dividend H
Class of Stock [Line Items]
Deemed dividend		$ 1,000