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LONG-TERM DEBT (Convertible Promissory Notes) (Details) |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |
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Sep. 17, 2018 USD ($) D $ / shares | Feb. 12, 2018 USD ($) | Oct. 03, 2017 $ / shares shares | Aug. 31, 2017 USD ($) shares | Apr. 30, 2018 USD ($) $ / shares shares | Sep. 30, 2018 USD ($) item $ / shares | Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares | Nov. 30, 2018 $ / shares | Sep. 20, 2018 $ / shares | Sep. 19, 2018 $ / shares | Aug. 31, 2018 USD ($) | Jul. 31, 2018 USD ($) | Apr. 20, 2018 USD ($) | Oct. 31, 2017 USD ($) | Aug. 17, 2017 USD ($) | Jun. 29, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  | $ 516,000 | $ 3,416,000 |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares |  |  |  |  |  |  | 13,763,608 |  |  |  |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share | $ / shares |  |  |  |  |  |  | $ 0.01 | $ 0.01 |  |  |  |  |  |  |  |  |
Proceeds from convertible notes |  |  |  |  |  |  | $ 3,850,000 | $ 1,365,000 |  |  |  |  |  |  |  |  |
Debt discount |  |  |  |  |  |  | 1,100,000 |  |  |  |  |  |  |  |  |  |
Warrants, fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 211,000
Warrant revaluation and modification |  |  |  |  |  |  | (1,918,000) | $ 226,000 |  |  |  |  |  |  |  |  |
Conversion of debt into stock |  | $ 1,900,000 |  |  |  |  | 3,191,000 |  |  |  |  |  |  |  |  |  |
Original debt amount |  |  |  |  |  |  | $ 456,000 |  |  |  |  |  |  |  |  |  |
April 2018 Bridge Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from convertible notes |  |  |  |  | $ 600,000 |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability from debt discount |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |
Quarter 3 2018 Bridge Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from convertible notes |  |  |  |  |  | $ 600,000 |  |  |  |  |  |  |  |  |  |  |
Derivative liability from debt discount |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |
2018 Note Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,296,703 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  | $ 0.30 |  |  |  | $ 0.15 |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares |  |  |  |  | 0.30 |  |  |  | $ 0.15 |  |  |  |  |  |  |  |
Convertible Promissory Note Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares |  |  | 10,000 | 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  | $ 3.00 |  |  |  | $ 1.40 |  |  |  |  |  |  |  |  |  |
Warrants, fair value |  |  |  | $ 15,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares |  |  | $ 3.00 |  |  |  | $ 1.40 |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Term |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
April 2018 Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  | $ 0.75 | $ 0.50 |  |  |  |  |  |  |  |  |  |  |
Proceeds from convertible notes |  |  |  |  | $ 1,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Stock rights issued (in shares) | shares | shares |  |  |  |  | 3,648,352 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, fair value |  |  |  |  | $ 1,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares |  |  |  |  | $ 0.75 | $ 0.50 |  |  |  |  |  |  |  |  |  |  |
Warrant revaluation and modification |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |
Conversion price per share | $ / shares |  |  |  |  | $ 0.75 |  |  |  |  | $ 0.50 | $ 0.75 |  |  |  |  |  |
April 2018 Warrants, First Half |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Term |  |  |  |  | 5 years | 5 years | 5 years |  |  |  |  |  |  |  |  |  |
April 2018 Warrants, First Half | 2018 Note Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Term |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |
April 2018 Warrants, Second Half |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Term |  |  |  |  | 1 year | 1 year | 1 year |  |  |  |  |  |  |  |  |  |
April 2018 Warrants, Second Half | 2018 Note Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Term |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Advisor Warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock rights issued (in shares) | shares | shares |  |  |  |  | 232,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, fair value |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Term |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |
Conversion price per share | $ / shares |  |  |  |  | $ 0.75 |  |  |  |  |  |  |  |  |  |  |  |
Advisor Warrants | 2018 Note Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  | $ 0.75 |  |  |  |  |  |  |  |  |  |  |  |
Stock rights issued (in shares) | shares | shares |  |  |  |  | 232,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, fair value |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares |  |  |  |  | $ 0.75 |  |  |  |  |  |  |  |  |  |  |  |
Convertible promissory notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | $ 300,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt discount | $ 400,000 |  |  |  |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |
Derivative liability from debt discount |  |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |
Conversion price per share | $ / shares | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible debt, threshold consecutive trading days | D | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, term | 18 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of debt into stock | $ 2,800,000 |  |  |  |  |  | 2,200,000 |  |  |  |  |  |  |  |  |  |
Convertible promissory notes | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | $ 500,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 125,000 |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  | $ 4,377,000 |  |  |  |  |  |  |  | $ 41,666 | $ 143,041 |
Accrued interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000 | $ 18,041 |
Repayments of long term debt |  |  |  | $ 83,333 |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt [Member] | Convertible Bridge Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | 1,800,000 |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |  |  |
Discount percentage |  |  |  |  |  | 9.00% |  |  |  |  |  |  |  |  |  |  |
Debt discount |  |  |  |  |  | $ 164,000 |  |  |  |  |  |  |  |  |  |  |
Debt issuance costs, net |  |  |  |  |  | $ 164,000 |  |  |  |  |  |  |  |  |  |  |
Beneficial conversion feature |  |  |  |  |  |  | 1,100,000 |  |  |  |  |  |  |  |  |  |
Debt discount and debt issuance costs as a reduction of the related debt |  |  |  |  |  |  | 1,800,000 |  |  |  |  |  |  |  |  |  |
Conversion price per share | $ / shares |  |  |  |  |  | $ 0.50 |  |  |  |  |  |  |  |  |  |  |
Conversion threshold percentage of stock price trigger |  |  |  |  |  | 80.00% |  |  |  |  |  |  |  |  |  |  |
Convertible debt, threshold consecutive trading days | item |  |  |  |  |  | 10 |  |  |  |  |  |  |  |  |  |  |
Convertible Debt [Member] | Convertible Bridge Loan | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion price per share | $ / shares |  |  |  |  |  | $ 0.30 |  |  |  |  |  |  |  |  |  |  |
Convertible Debt [Member] | April 2018 Bridge Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  | $ 1,824,176 |  |  |  |  |  |  |  |  |  |  |
Proceeds from convertible notes |  |  |  |  |  | 1,660,000 |  |  |  |  |  |  |  |  |  |  |
Beneficial conversion feature |  |  |  |  | $ 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt discount and debt issuance costs as a reduction of the related debt |  |  |  |  |  | 1,300,000 |  |  |  |  |  |  |  |  |  |  |
Convertible Debt [Member] | July 2018 Bridge Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 348,104 |  |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  |  | $ 382,526 |  |  |  |
Convertible Debt [Member] | August 2018 Bridge Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  | $ 495,955 |  |  |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  | $ 545,005 |  |  |  |  |
Convertible Debt [Member] | September 2018 Bridge Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  | 495,941 |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  | 544,990 |  |  |  |  |  |  |  |  |  |  |
Convertible Debt [Member] | Quarter 3 2018 Bridge Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt discount |  |  |  |  |  | 133,000 |  |  |  |  |  |  |  |  |  |  |
Beneficial conversion feature |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |  |
Derivative liability from debt discount |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |
Debt discount and debt issuance costs as a reduction of the related debt |  |  |  |  |  | $ 1,300,000 |  |  |  |  |  |  |  |  |  |  |
Secured Debt [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  |  | $ 3,200,000 |  |  |  |  |  |  |  |  |

X
- Definition Class of Warrant or Right, Number of Issued Warrants or Rights + References No definition available. + Details
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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 Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + 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)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
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- Definition The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
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- Definition Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21538-112644 + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870 + Details
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- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
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