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Finance Expenses, Net (Tables) | 12 Months Ended
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Dec. 31, 2017
Other Income and Expenses [Abstract] |
Summary of Finance Expenses, Net |
|  | Years ended December 31, |
|  | 2017 |  |  | 2016 |
|  | (in thousands) |
Bank fees and interest |  | $ | 1 |  |  | $ | 1 |
Change in fair value of derivative warrant liability |  |  | (285 | ) |  |  | (262 | )
Financing loss on debt extinguishment |  |  | 2,364 |  |  |  | - |
Exchange rate differences |  |  | 5 |  |  |  | (44 | )
Revaluation and interest on convertible loans |  |  | 237 |  |  |  | 333 |
|  | $ | 2,322 |  |  | $ | 28 |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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