STOCKHOLDERS' EQUITY (Preferred Stock Induced Conversions) (Details) - USD ($)				1 Months Ended	12 Months Ended
	Mar. 21, 2018	Feb. 12, 2018	Jun. 29, 2017	Aug. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)					15,000,000	15,000,000
Preferred stock, par value (in dollars per share)					$ 0.01	$ 0.01
Number of shares converted from debt instrument (in shares)		1,814,754
Conversion of debt into stock		$ 1,900,000			$ 3,191,000
Shares converted, value			$ 3,000,000
New shares issued (in shares)		1,814,754		22,518
Shares not converted			200,081
Deemed dividend					$ 4,222,000	$ 12,431,000
Number of shares converted (in shares)				1,735,419
Warrants, fair value			$ 211,000
Warrants exercised					300,000
Issuance of warrants in conjunction with issuance of side agreement		$ 1,900,000		$ 84,000,000
Preferred stock, shares outstanding (in shares)					47	4,935
Preferred stock, shares issued (in shares)					47	4,935
2018 Inducement Agreement | Warrants After Conversion Price Reduction [Member] | Deemed Dividend F
Class of Stock [Line Items]
Warrants, fair value					$ 100,000
Preferred stock - series A senior
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)			4,100,000		4,100,000	4,100,000
Preferred stock, par value (in dollars per share)			$ 0.01
Conversion price (in dollars per share)			$ 3.736329
Conversion of stock, discount rate			15.00%
Preferred stock, dividend rate (percentage)			8.00%
Deemed dividend			$ 5,200,000	1,400,000
Warrants, fair value				$ 1,400,000
Preferred stock, shares outstanding (in shares)					0	0
Preferred stock, shares issued (in shares)				1,712,901	0	1,712,901
Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares converted from debt instrument (in shares)			802,920
Shares not converted					47
Number of shares converted (in shares)			7,155
Preferred Stock [Member] | 2018 Inducement Agreement
Class of Stock [Line Items]
Conversion price (in dollars per share)					$ 0.75	$ 1.04
Preferred Stock [Member] | 2018 Inducement Agreement | Deemed Dividend F
Class of Stock [Line Items]
Shares converted, value					$ 1,100,000
Warrants, fair value					$ 1,200,000
Common Stock
Class of Stock [Line Items]
Exercise price (in dollars per share)			$ 7.50
Number of shares converted from debt instrument (in shares)			1,414,700		3,787,300
Number of shares converted (in shares)			5,352,847
Stock rights issued (in shares)				856,446
Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Exercise price (in dollars per share)	$ 0.75				$ 0.75
Warrants Issued During Period, Maximum Allowed Percentage of Common Stock	4.99%
Convertible Preferred Stock [Member] | Preferred Stock Induced Conversions, First Investor [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Warrants or Rights Exercised	666,666
Convertible Preferred Stock [Member] | Preferred Stock Induced Conversions, Second Investor [Member]
Class of Stock [Line Items]
Issuance of warrants in conjunction with issuance of side agreement	$ 500,000