LONG-TERM DEBT (Secured Debt Obligations) (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
	Feb. 12, 2018	Aug. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Sep. 21, 2018	Jul. 31, 2018	Feb. 28, 2018	Jul. 31, 2017
Debt Instrument [Line Items]
Total debt			$ 516	$ 3,416
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			13,763,608
Original debt amount			$ 456
Conversion of debt into stock	$ 1,900		$ 3,191
Stock Issued During Period, Shares, New Issues	1,814,754	22,518
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants	$ 1,900	$ 84,000
Liability for Share Settlement				1,900
Gains (Losses) on Restructuring of Debt				1,181
Financed Insurance Loan [Member]
Debt Instrument [Line Items]
Debt instrument, face amount						$ 400		$ 400
Interest rate (as a percent)						4.89%		4.99%
Debt instrument, maturity date			Jun. 01, 2019
Total debt			$ 204	183
Maturity date			Jun. 01, 2019
Creditor Group Two [Member]
Debt Instrument [Line Items]
Gains (Losses) on Restructuring of Debt				$ 200
Secured Debt [Member]
Debt Instrument [Line Items]
Other Accounts Payable and Accrued Liabilities	1,100
Creditor Warrants Relating to Secured Debt [Member]
Debt Instrument [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights				108,112			108,112
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 7.50			$ 7.50
Warrants and Rights Outstanding			$ 159
Class of Warrant or Right, Term			5 years
Settlement Agreements | Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, term			48 months
Date of first required payment			Jul. 01, 2018
Exchange Agreements [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Original debt amount			$ 3,200
Conversion of debt into stock			2,800
Gain (loss) on extinguishment of debt			400
Secured Debt [Member]
Debt Instrument [Line Items]
Interest rate (as a percent)				10.00%
Total debt				$ 3,200
Debt Instrument, Periodic Payment				$ 65
Share Price				$ 1.04
Debt Restructured				$ 6,300
Secured Debt [Member] | Creditor Group One [Member]
Debt Instrument [Line Items]
Gains (Losses) on Restructuring of Debt				1,200
Debt Restructured	$ 1,300
Secured Debt [Member] | Creditor Warrants Relating to Secured Debt [Member]
Debt Instrument [Line Items]
Debt Restructured				1,300
Secured Debt [Member] | Settlement Agreements
Debt Instrument [Line Items]
Total debt				3,200
Warrants and Rights Outstanding				1,900
Fair value of warrants and shares				200
Gain on troubled debt restructuring				1,200
Gain (loss) on extinguishment of debt				(200)
Interest Expense, Debt			600	600
Extinguishment of Debt, Amount			1,900	1,900
Other Accounts Payable and Accrued Liabilities				$ 5,200
Stock Issued During Period, Shares, New Issues				1,814,754
Settlement Agreement [Member]
Debt Instrument [Line Items]
Total debt			$ 66
Settlement Agreement [Member] | Settlement Agreements
Debt Instrument [Line Items]
Debt instrument, face amount					$ 100
Interest rate (as a percent)			10.00%
Debt instrument, maturity date			Nov. 01, 2020
Total debt			$ 100	$ 100
Debt instrument, term			2 years
Frequency of periodic payment			monthly
Date of first required payment			Nov. 01, 2018
Maturity date			Nov. 01, 2020