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STOCKHOLDERS' EQUITY (Series C Warrants) (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2018 | Sep. 30, 2018 | Sep. 30, 2018 | Feb. 28, 2018 | Nov. 30, 2017
Class of Stock [Line Items] |  |  |  |  |
Underlying shares (in shares) |  | 9,261,896 | 9,261,896 |  |
Warrants exercised |  |  | 300,000 |  |
Series C Warrants [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Underlying shares (in shares) |  |  |  |  | 1,962,857
Exercise price (in dollars per share) |  |  |  |  | $ 1.63
Purchase Agreement 2018 [Member] | Series C Warrants [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Exercise price (in dollars per share) |  | $ 0.75 | $ 0.75 | $ 1.04 |
Deemed dividend |  |  | $ 58,000 |  |
Note Agreement 2018 [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Exercise price (in dollars per share) | $ 0.30 |  |  |  |
Deemed dividend | $ 10,000 |  |  |  |
Note Agreement 2018 [Member] | Series C Warrants [Member] |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Exercise price (in dollars per share) | $ 0.30 |  |  |  |
Deemed dividend | $ 45,000 |  |  |  |
Warrants exercised |  | 517,300 | 1,587,300 |  |
Proceeds from issuance of warrants |  | $ 155,000 | $ 476,000 |  |
Intrinsic value of warrants exercised in period |  | $ 92,000 | $ 294,000 |  |

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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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