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STOCKHOLDERS' EQUITY (Remaining Warrants) (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2018 | Jun. 30, 2018 | Jun. 30, 2018 | Feb. 28, 2018 | Dec. 31, 2017
Class of Stock [Line Items] |  |  |  |  |
Class of warrant, number of securities called by warrants |  | 6,913,141 | 6,913,141 |  |
Creditor Warrants Relating to Secured Debt [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Class of warrant, number of securities called by warrants |  |  |  | 108,112 | 108,112
Warrants, exercise price per share |  |  |  | $ 7.50 |
April 2018 Warrants [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Stock rights issued (in shares) | 3,648,352 |  |  |  |
Warrants, exercise price per share | $ 0.75 |  |  |  |
Warrants, fair value | $ 1.1 |  |  |  |
April 2018 Warrants, First Half [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Class of warrant or right, term |  | 5 years | 5 years |  |
April 2018 Warrants, Second Half [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Class of warrant or right, term |  | 1 year | 1 year |  |
Advisor Warrants [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Stock rights issued (in shares) | 232,000 |  |  |  |
Warrants, fair value | $ 0.1 |  |  |  |
Class of warrant or right, term |  | 4 years |  |  |
Note Agreement 2018 [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Warrants, exercise price per share | $ 0.30 |  |  |  |
Note Agreement 2018 [Member] | April 2018 Warrants, First Half [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Class of warrant or right, term |  | 1 year |  |  |
Note Agreement 2018 [Member] | April 2018 Warrants, Second Half [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Class of warrant or right, term |  | 5 years |  |  |
Note Agreement 2018 [Member] | Advisor Warrants [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Stock rights issued (in shares) | 232,000 |  |  |  |
Warrants, exercise price per share | $ 0.75 |  |  |  |
Warrants, fair value | $ 0.1 |  |  |  |

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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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