CONVERTIBLE NOTES (Convertible Promissory Notes - Exchange Notes) (Details) - USD ($)			12 Months Ended
	Sep. 17, 2018	Feb. 12, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Feb. 28, 2018
Debt Instrument [Line Items]
Total debt			$ 519,000	$ 516,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			909,189
Original debt amount				456,000
Conversion of convertible debt plus interest into common stock		$ 1,900,000	$ 7,553,000	2,356,000
Number of shares converted from debt instrument (in shares)		120,983
Share Price		$ 15.60
Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, term			48 months
Date of first required payment			Jul. 01, 2018
Original debt amount				3,200,000
Interest Expense, Debt			$ 600,000
Debt Restructured					$ 6,300,000
Creditor Warrants Relating to Secured Debt
Debt Instrument [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights						7,207
Class of Warrant or Right, Exercise Price of Warrants or Rights						$ 112.50
Senior Secured Convertible Promissory Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 300,000
Debt instrument, term	18 months
Conversion of convertible debt plus interest into common stock				2,800,000
Write off of derivative liability			100,000	300,000
Settlement Agreements
Debt Instrument [Line Items]
Total debt					3,200,000
Warrants and Rights Outstanding					1,900,000
Warrants, fair value					$ 200,000
Convertible Debt [Member]
Debt Instrument [Line Items]
Total debt			142,000	4,377,000
Convertible Debt [Member] | Convertible promissory notes - Exchange Notes
Debt Instrument [Line Items]
Conversion of convertible debt plus interest into common stock			$ 600,000	$ 2,200,000
Number of shares converted from debt instrument (in shares)			155,351	291,562