FAIR VALUE (Narratives) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended
	Apr. 30, 2018	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities		$ 62		$ 62
Derivative asset (liability)		62		62
Bridge Notes Redemption Feature [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset (liability)		30		30
Conversion Option [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset (liability)		$ 32		$ 32
Quarter 3 2018 Bridge Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities			$ 100
Derivative liability from debt discount			$ 100
April 2018 Bridge Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	$ 300
Derivative liability from debt discount	$ 100
2016 Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants outstanding (in shares)		5,368		5,368
(Decrease) in warrant liability				$ (400)
Warrants canceled in settlement agreement				20,216
Debt settlement				$ 456
Volatility (as a percent)				176.00%
Expected term				2 years
Risk-free interest rate (as a percent)				2.48%
April 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares)	3,648,352
Advisor Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares)	232,000
Quarter 3 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares)			2,945,055
Quarter 4 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares)		4,501,712
Minimum | April 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Expected term				3 months 18 days
Annual volatility				85.00%
Risk-free interest rate (as a percent)				2.45%
Maximum | April 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Expected term				5 years
Annual volatility				162.00%
Risk-free interest rate (as a percent)				2.63%