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FAIR VALUE MEASUREMENTS (Details 1) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Fair Value Disclosures [Abstract] |  |
Balance at January | $ 128 | $ 69
Interest accrued on face value of 5% Notes | 878 | 845
Conversion of 5% Notes | 0 | 0
Change in fair value of Level 3 liabilities | (939) | (786)
Balance at December | $ 67 | $ 128

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- Definition Amount of increase (decrease) 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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