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STOCKHOLDERS' EQUITY (Convertible Promissory Note Warrants) (Details) - USD ($) |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 03, 2017 | Nov. 30, 2018 | Apr. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Aug. 31, 2017 | Jun. 29, 2017
Class of Stock [Line Items] |  |  |  |  |  |  |
Warrants, fair value |  |  |  |  |  |  | $ 211,000
Deemed dividend |  |  |  | $ 4,222,000 | $ 12,431,000 |  |
Convertible Promissory Note Warrants |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Exercise price (in dollars per share) | $ 3.00 |  |  | $ 1.40 |  |  |
Class of warrant or right, term | 5 years |  |  |  |  |  |
Warrants, fair value |  |  |  |  |  | $ 15,000 |
Deemed dividend |  |  |  |  | $ 1,000 |  |
2018 Inducement Agreement | Convertible Promissory Note Warrants |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  | 0.75 |  |  |
2018 Purchase Agreement | Convertible Promissory Note Warrants |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  | $ 1.04 |  |  |
2018 Note Agreement |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Exercise price (in dollars per share) |  | $ 0.15 | $ 0.30 |  |  |  |
2018 Note Agreement | Deemed Dividend P |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Deemed dividend |  |  | $ 1,000 |  |  |  |
2018 Note Agreement | Deemed Dividend Q |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Deemed dividend |  | $ 1,000 |  |  |  |  |
Maximum | 2018 Inducement Agreement | Convertible Promissory Note Warrants | Deemed Dividend O |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Deemed dividend |  |  |  | $ 1,000 |  |  |
Maximum | 2018 Purchase Agreement | Convertible Promissory Note Warrants | Deemed Dividend N |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Deemed dividend |  |  |  | $ 1,000 |  |  |

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- Definition Class of Warrant or Right, Term + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Fair value portion of warrants not settleable in cash classified as equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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