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FAIR VALUE MEASUREMENTS (Schedule of Financial Assets Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Assets, Fair value [Abstract] |  |
Foreign currency derivative contracts | $ 17 | $ 7
Total financial assets | 17 | 7
Level 1 [Member] |  |
Assets, Fair value [Abstract] |  |
Foreign currency derivative contracts |  |
Total financial assets |  |
Level 2 [Member] |  |
Assets, Fair value [Abstract] |  |
Foreign currency derivative contracts | 17 | 7
Total financial assets | 17 | 7
Level 3 [Member] |  |
Assets, Fair value [Abstract] |  |
Foreign currency derivative contracts |  |
Total financial assets |  |

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