STOCKHOLDERS' EQUITY (Note Conversion Warrants) (Details) - USD ($)		1 Months Ended			12 Months Ended
	Feb. 12, 2018	Nov. 30, 2018	Apr. 30, 2018	Jul. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Feb. 28, 2018	Dec. 31, 2017	Aug. 31, 2017	Jun. 30, 2017
Class of Stock [Line Items]
Conversion of debt into stock	$ 1,900,000				$ 7,553,000	$ 2,356,000
Conversion of convertible notes into common stock (in shares)	120,983
Underlying shares (in shares)					909,189
Deemed dividend					$ 0	4,222,000
Series A Conversion Warrants [Member]
Class of Stock [Line Items]
Exercise price (in dollars per share)					$ 7.50
Underlying shares (in shares)					9,101
Warrants, fair value					$ 10,000
Note Conversion Warrants
Class of Stock [Line Items]
Class of warrant or right, term					5 years
2018 Inducement Agreement | Deemed Dividend K
Class of Stock [Line Items]
Deemed dividend						5,000
2018 Inducement Agreement | Deemed Dividend F
Class of Stock [Line Items]
Deemed dividend						1,154,000
2018 Inducement Agreement | Note Conversion Warrants | Deemed Dividend K
Class of Stock [Line Items]
Deemed dividend					$ 5,000
2018 Purchase Agreement | Deemed Dividend J
Class of Stock [Line Items]
Deemed dividend						8,000
2018 Purchase Agreement | Deemed Dividend G
Class of Stock [Line Items]
Deemed dividend						62,000
2018 Purchase Agreement | Note Conversion Warrants | Deemed Dividend J
Class of Stock [Line Items]
Deemed dividend					8,000
2018 Note Agreement
Class of Stock [Line Items]
Exercise price (in dollars per share)		$ 2.25	$ 4.50
2018 Note Agreement | Deemed Dividend L
Class of Stock [Line Items]
Deemed dividend						10,000
2018 Note Agreement | Note Conversion Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)		$ 2.25	$ 4.50
2018 Note Agreement | Note Conversion Warrants | Deemed Dividend L
Class of Stock [Line Items]
Deemed dividend			$ 10,000
2018 Note Agreement | Note Conversion Warrants | Deemed Dividend M
Class of Stock [Line Items]
Deemed dividend		$ 4,000
Common Stock
Class of Stock [Line Items]
Conversion of debt into stock					$ 7,600,000	$ 2,400,000
Conversion of convertible notes into common stock (in shares)					310,200	252,486
Common Stock | Note Conversion Warrants
Class of Stock [Line Items]
Conversion of convertible notes into common stock (in shares)				23,999
Exercise price (in dollars per share)								$ 21.00	$ 45.00
Common Stock | 2018 Inducement Agreement | Note Conversion Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)					$ 11.25
Common Stock | 2018 Purchase Agreement | Note Conversion Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)							$ 15.60
Bridge Loan | Common Stock
Class of Stock [Line Items]
Exercise price (in dollars per share)										$ 112.50