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FAIR VALUE (Narratives) (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2018 | Dec. 31, 2018 | Sep. 30, 2018 | Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Derivative liabilities |  | $ 62 |  | $ 62
Derivative asset (liability) |  | 62 |  | 62
Bridge Notes Redemption Feature [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Derivative asset (liability) |  | 30 |  | 30
Conversion Option [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Derivative asset (liability) |  | $ 32 |  | $ 32
Quarter 3 2018 Bridge Notes |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Derivative liabilities |  |  | $ 100 |
Derivative liability from debt discount |  |  | $ 100 |
April 2018 Bridge Notes |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Derivative liabilities | $ 300 |  |  |
Derivative liability from debt discount | $ 100 |  |  |
2016 Warrant Liability [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Warrants outstanding (in shares) |  | 5,368 |  | 5,368
(Decrease) in warrant liability |  |  |  | $ (400)
Warrants canceled in settlement agreement |  |  |  | 20,216
Debt settlement |  |  |  | $ 456
Volatility (as a percent) |  |  |  | 176.00%
Expected term |  |  |  | 2 years
Risk-free interest rate (as a percent) |  |  |  | 2.48%
April 2018 Warrants |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Stock rights issued (in shares) | 3,648,352 |  |  |
Advisor Warrants |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Stock rights issued (in shares) | 232,000 |  |  |
Quarter 3 2018 Warrants |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Stock rights issued (in shares) |  |  | 2,945,055 |
Quarter 4 2018 Warrants |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Stock rights issued (in shares) |  | 4,501,712 |  |
Minimum | April 2018 Warrants |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Expected term |  |  |  | 3 months 18 days
Annual volatility |  |  |  | 85.00%
Risk-free interest rate (as a percent) |  |  |  | 2.45%
Maximum | April 2018 Warrants |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Expected term |  |  |  | 5 years
Annual volatility |  |  |  | 162.00%
Risk-free interest rate (as a percent) |  |  |  | 2.63%

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