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LONG-TERM DEBT AND CONVERTIBLE NOTES (Convertible Notes) (Details)		1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 17, 2018 USD ($) item $ / shares	Apr. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) item $ / shares shares	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2017 USD ($)	Sep. 20, 2018 $ / shares	Sep. 19, 2018 $ / shares	Aug. 31, 2018 USD ($) $ / shares	Jul. 31, 2018 USD ($)	Jun. 30, 2018 USD ($)	Apr. 20, 2018 USD ($)	Dec. 31, 2017 USD ($) $ / shares	Aug. 31, 2017 $ / shares
Debt Instrument [Line Items]
Total debt			$ 1,689,000	$ 1,689,000								$ 3,416,000
Proceeds from convertible notes				3,000,000	$ 1,365,000
Warrant revaluation and modification				(617,000)	$ 3,000
Payments of financial advisor fees		$ 116,000
Derivative liability from debt discount			$ 100,000	$ 100,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares			9,261,896	9,261,896
Original debt amount				$ 456,000
Long-term debt exchanged for convertible notes				2,108,000
Derivative asset (liability)			$ (337,000)	(337,000)						$ (143,000)		$ 0
Convertible Bridge Loan [Member]
Debt Instrument [Line Items]
Number of additional drawdowns completed | item			3
Proceeds from convertible notes			$ 600,000
Net debt issuance costs and debt discounts			3,100,000	3,100,000
Quarter 3 2018 Bridge Notes [Member]
Debt Instrument [Line Items]
Proceeds from convertible notes			600,000
Derivative liability from debt discount			$ 100,000	$ 100,000
Note Agreement 2018 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount											$ 3,296,703
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 0.30
Convertible Promissory Note Warrants [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares												$ 1.40	$ 3.00
Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 300,000
Conversion price per share | $ / shares	$ 1.00
Conversion ratio	1.65
Debt instrument, convertible, threshold trading days | item	5
Percentage of principal outstanding	20.00%
Debt instrument, term	18 months
Long-term debt exchanged for convertible notes	$ 1,800,000
Convertible Promissory Notes [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	500,000
April 2018 Warrants [Member]
Debt Instrument [Line Items]
Conversion price per share | $ / shares		$ 0.75	$ 0.75	$ 0.75		$ 0.50	$ 0.75
Conversion ratio		1.5
Proceeds from convertible notes			$ 1,100,000
Stock rights issued (in shares) | shares		3,648,352	2,945,055
Warrants, fair value		$ 1,100,000	$ 700,000	$ 700,000
Warrant revaluation and modification			$ 100,000
Advisor fees as a percentage of proceeds		7.00%
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 0.75	$ 0.50	$ 0.50
April 2018 Warrants, First Half [Member]
Debt Instrument [Line Items]
Class of warrant or right, term			5 years	5 years
April 2018 Warrants, First Half [Member] | Note Agreement 2018 [Member]
Debt Instrument [Line Items]
Class of warrant or right, term			1 year
April 2018 Warrants, Second Half [Member]
Debt Instrument [Line Items]
Class of warrant or right, term			1 year	1 year
April 2018 Warrants, Second Half [Member] | Note Agreement 2018 [Member]
Debt Instrument [Line Items]
Class of warrant or right, term			5 years
Advisor Warrants [Member]
Debt Instrument [Line Items]
Class of warrant or right, term			4 years
Conversion price per share | $ / shares		$ 0.75
Stock rights issued (in shares) | shares		232,000
Warrants, fair value		$ 100,000
Advisor Warrants [Member] | Note Agreement 2018 [Member]
Debt Instrument [Line Items]
Stock rights issued (in shares) | shares		232,000
Warrants, fair value		$ 100,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 0.75
Quarter 3 2018 Warrants [Member]
Debt Instrument [Line Items]
Stock rights issued (in shares) | shares			2,945,055
Quarter 3 2018 Warrants [Member] | Quarter 3 2018 Bridge Notes [Member]
Debt Instrument [Line Items]
Proceeds from convertible notes			$ 700,000
Convertible Debt [Member]
Debt Instrument [Line Items]
Total debt			$ 1,786,000	$ 1,786,000
Convertible Debt [Member] | Convertible Bridge Loan [Member]
Debt Instrument [Line Items]
Interest rate (as a percent)			8.00%	8.00%
Discount percentage			9.00%
Conversion price per share | $ / shares			$ 0.50	$ 0.50
Convertible debt, threshold consecutive trading days | item			10
Conversion threshold percentage of stock price trigger			80.00%
Total debt			$ 1,500,000	$ 1,500,000
Proceeds from convertible notes			1,300,000
Early repayment trigger, amount of gross proceeds			$ 7,000,000
Percentage per month charged as damages if registration statement not filed by deadline			1.00%
Debt discount			$ 164,000	164,000
Debt issuance costs, net			164,000	164,000
Beneficial conversion feature			1,100,000
Net debt issuance costs and debt discounts			2,700,000	2,700,000
Debt discount and debt issuance costs as a reduction of the related debt			1,800,000	1,800,000
Loss on issuance of convertible notes			900,000
Amortization od debt discount			$ 59,000	$ 68,000
Convertible Debt [Member] | Convertible Bridge Loan [Member] | Debt Instrument, Redemption, Period One [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage				105.00%
Convertible Debt [Member] | Convertible Bridge Loan [Member] | Debt Instrument, Redemption, Period Two [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage				110.00%
Convertible Debt [Member] | Convertible Bridge Loan [Member] | Debt Instrument, Redemption, Period Three [Member]
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage				115.00%
Convertible Debt [Member] | Convertible Bridge Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Conversion price per share | $ / shares			$ 0.30	$ 0.30
Convertible Debt [Member] | Convertible Bridge Loan [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, term				1 year
Convertible Debt [Member] | April 2018 Bridge Notes [Member]
Debt Instrument [Line Items]
Total debt			$ 1,824,176	$ 1,824,176
Proceeds from convertible notes			1,660,000
Convertible Debt [Member] | July 2018 Bridge Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount									$ 348,104
Total debt									$ 382,526
Convertible Debt [Member] | August 2018 Bridge Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount								$ 495,955
Total debt								$ 545,005
Convertible Debt [Member] | September 2018 Bridge Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount			495,941	495,941
Total debt			544,990	544,990
Convertible Debt [Member] | Quarter 3 2018 Bridge Notes [Member]
Debt Instrument [Line Items]
Debt discount			133,000	133,000
Beneficial conversion feature			500,000
Net debt issuance costs and debt discounts			1,400,000	1,400,000
Debt discount and debt issuance costs as a reduction of the related debt			1,300,000	1,300,000
Loss on issuance of convertible notes			100,000
Convertible Debt [Member] | Quarter 3 2018 Warrants [Member]
Debt Instrument [Line Items]
Warrants, fair value			$ 700,000	$ 700,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares			2,945,055	2,945,055
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares			$ 0.50	$ 0.50				$ 0.75
Secured Debt [Member]
Debt Instrument [Line Items]
Total debt			$ 1,058,000	$ 1,058,000								3,233,000
Original debt amount	$ 2,100,000
Bridge Notes Redemption Feature [Member]
Debt Instrument [Line Items]
Derivative asset (liability)			(116,000)	(116,000)						$ (143,000)		0
Conversion Option [Member]
Debt Instrument [Line Items]
Derivative asset (liability)			$ (221,000)	$ (221,000)								$ 0

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