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LONG-TERM DEBT (Secured Debt Obligations) (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |
Total debt |  | $ 3,490 |  | $ 3,416
Class of warrant, number of securities called by warrants |  | 6,913,141 |  |
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants |  |  | $ 414 |
Creditor Warrants Relating to Secured Debt [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Class of warrant, number of securities called by warrants | 108,112 |  |  | 108,112
Warrants, exercise price per share | $ 7.50 |  |  |
Settlement Agreements [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt |  |  |  | $ 3,200
Warrants and rights outstanding |  |  |  | 1,900
Settlement Agreements [Member] | Creditor Warrants Relating to Secured Debt [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Class of warrant, number of securities called by warrants | 108,112 |  |  |
Warrants, exercise price per share | $ 7.50 |  |  |
Secured Debt [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt |  | $ 3,233 |  | 3,233
Debt Restructured |  |  |  | 6,300
Secured Debt [Member] | Settlement Agreements [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total debt |  |  |  | 3,200
Accrued interest |  |  |  | 600
Debt instrument, term |  | 48 months |  |
Date of first required payment |  | Jul. 01, 2018 |  |
Extinguishment of debt, amount |  |  |  | $ 1,900
New shares issued (in shares) | 1,814,754 |  |  |
Share Price | $ 1.04 |  |  |

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