STOCKHOLDERS' EQUITY (Convertible Promissory Note Warrants) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended
	Mar. 31, 2020	Aug. 31, 2017	Mar. 31, 2020	Mar. 31, 2019	Feb. 29, 2020
Class of Stock [Line Items]
Deemed dividend			$ 0
Convertible Promissory Note Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)		$ 45.00
Offering Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)	$ 0.40	$ 45.00	$ 0.40		$ 2.25
Class of warrant or right, term		5 years
2018 Inducement Agreement
Class of Stock [Line Items]
Deemed dividend				$ 3,344
2018 Purchase Agreement | Deemed Dividend D
Class of Stock [Line Items]
Deemed dividend				$ 5
Maximum | Convertible Promissory Note Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)	$ 0.40		$ 0.40		$ 2.25
Maximum | Convertible Promissory Note Warrants | Deemed Dividend D
Class of Stock [Line Items]
Deemed dividend	$ 1