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OTHER CURRENT LIABILITIES (Other Current Liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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OTHER CURRENT LIABILITIES [Abstract] |  |
Obligation to issue common shares |  | $ 1,897
Liability related to equity purchase agreement | $ 460 |
Liability for settlement of equity instrument | 1,450 | 1,085
Total other current liabilities | $ 1,910 | $ 2,982

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