FAIR VALUE (Narratives) (Details)	1 Months Ended	3 Months Ended			9 Months Ended
	Apr. 30, 2018 USD ($) shares	Sep. 30, 2019 USD ($) Y shares	Dec. 31, 2018 USD ($) Y shares	Sep. 30, 2018 USD ($) shares	Sep. 30, 2019 USD ($) Y shares	Sep. 30, 2018 USD ($)	May 31, 2019 shares	Apr. 30, 2019 shares	Jun. 30, 2018 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt settlement					$ 2,364,000	$ 456,000
Derivative liability from debt discount		$ 400,000			$ 400,000
Loss on derivative		$ 0
Derivative asset (liability)			$ 62,000	$ 337,000		337,000			$ 143,000
Bridge Notes Redemption Feature [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset (liability)			30,000	116,000		116,000			$ 143,000
Conversion Option [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset (liability)			$ 32,000	221,000		221,000
Quarter 3 2018 Bridge Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liability from debt discount				100,000		100,000
April 2018 Bridge Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	$ 300,000
Derivative liability from debt discount				$ 100,000		100,000
2016 Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants outstanding (in shares) | shares		357			357
(Decrease) in warrant liability					$ (400,000)
Warrants canceled in settlement agreement | shares					1,347
Debt settlement						$ 456,000
Measurement Input, Price Volatility [Member] | 2016 Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input		141			141
Measurement Input, Risk Free Interest Rate [Member] | 2016 Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input		1.74			1.74
Measurement Input, Expected Term [Member] | 2016 Warrant Liability [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input | Y		1.30			1.30
April 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares) | shares	243,224			196,334
Advisor Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares) | shares	15,466
Quarter 3 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares) | shares				196,340
Quarter 4 2018 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock rights issued (in shares) | shares			300,115
Quarter 4 2018 Warrants | Measurement Input, Price Volatility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input			176
Quarter 4 2018 Warrants | Measurement Input, Risk Free Interest Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input			2.48
Quarter 4 2018 Warrants | Measurement Input, Expected Term [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input | Y			2
April 2019 Warrants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants outstanding (in shares) | shares								147,472
May 2019 Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants outstanding (in shares) | shares							154,343
Minimum | April 2018 Warrants | Measurement Input, Price Volatility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input		149			149
Minimum | April 2018 Warrants | Measurement Input, Risk Free Interest Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input		1.56			1.56
Minimum | April 2018 Warrants | Measurement Input, Expected Term [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input | Y		2.56			2.56
Maximum | April 2018 Warrants | Measurement Input, Price Volatility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input		158			158
Maximum | April 2018 Warrants | Measurement Input, Risk Free Interest Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input		1.61			1.61
Maximum | April 2018 Warrants | Measurement Input, Expected Term [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrants and Rights Outstanding, Measurement Input | Y		4.62			4.62