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STOCKHOLDERS' EQUITY (Side Warrants) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Jun. 29, 2017
Class of Warrant or Right [Line Items] |  |  |
Underlying shares (in shares) | 13,763,608 |  |
Warrants, fair value |  |  | $ 211,000
Merger advisory fees |  | $ 2,676,000 |
Upon Execution |  |  |
Class of Warrant or Right [Line Items] |  |  |
Underlying shares (in shares) | 22,857 |  |
Performance Based |  |  |
Class of Warrant or Right [Line Items] |  |  |
Underlying shares (in shares) | 68,572 |  |
Common Stock |  |  |
Class of Warrant or Right [Line Items] |  |  |
Underlying shares (in shares) |  |  | 45,600
Exercise price (in dollars per share) |  |  | $ 7.50
Side Warrants [Member] |  |  |
Class of Warrant or Right [Line Items] |  |  |
Underlying shares (in shares) | 91,429 |  |
Exercise price (in dollars per share) | $ 7.00 |  |
Class of warrant or right, term | 5 years |  |
Merger advisory fees |  | $ 487,000 |
Side Warrants [Member] | Common Stock |  |  |
Class of Warrant or Right [Line Items] |  |  |
Underlying shares (in shares) | 0 |  |

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- Definition For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs which have been expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + 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 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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