TAXES ON INCOME (Components of Income Tax) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Income Tax Disclosure [Abstract] | |||
| Domestic | $ 90 | ||
| Foreign | 542 | (11) | 84 |
| Current Income Tax Expense (Benefit), Total | $ 632 | $ (11) | $ 84 |