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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 |  |  |  |  |

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