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TAXES ON INCOME (Profit (Loss) Before Income Tax Expense Included In The Statement Of Operations) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Profit (loss) before income tax expense | $ (3,701) | $ (2,567) | $ 1,244 |
Current tax expense (benefit) | 74 | 73 | 69 |
Deferred taxes |  | 1,085 | 149 |
Income tax expense | 74 | 1,158 | 218 | $ 1,634
Israel [Member] |  |  |  |
Profit (loss) before income tax expense | (3,701) | (2,767) | 1,038 |
Current tax expense (benefit) |  |  | (3) |
Deferred taxes |  | 1,085 | 149 |
Foreign Jurisdictions [Member] |  |  |  |
Profit (loss) before income tax expense |  | 200 | 206 |
Current tax expense (benefit) | 74 | $ 73 | 72 |
Deferred taxes |  |  |  |

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