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FAIR VALUE (Schedule of Changes in Fair Value of Liability) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Warrant Liabilities [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | $ 841 |
Additions | 2,665 |
Total (gains) or losses: |  |
Revaluation recognized in earnings | (2,061) |
Modification recognized in earnings | 143 |
Deductions - warrant liability settlement | (456) |
Balance at end of period | 1,132 | $ 841
2016 Warrant Liability [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance | 841 |
Additions |  | 615
Total (gains) or losses: |  |
Revaluation recognized in earnings | (269) | 226
Deductions - warrant liability settlement | (456) |
Balance at end of period | 116 | 841
2018 Warrant Liabilities [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Beginning balance |  |
Additions | 2,665 |
Total (gains) or losses: |  |
Revaluation recognized in earnings | (1,792) |
Modification recognized in earnings | 143 |
Balance at end of period | $ 1,016 |

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- Definition Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + 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 (c)(1a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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