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TAXES ON INCOME (Schedule of Reconciliation of Tax Provisions to the Domestic and Effective Tax Rate) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Tax Disclosure [Abstract] |  |  |  |  |
Income before Income Taxes |  | $ 4,939 | $ 3,982 | $ 5,256 |
Statutory tax rate in Israel |  | 24.00% | 25.00% | 26.50% | 26.50%
Theoretical taxes on income |  | $ 1,185 | $ 996 | $ 1,393 |
Increase (decrease) in taxes on income resulting from: |  |  |  |  |
Tax adjustment for foreign subsidiaries subject to a different tax rate |  | 518 | 618 | 224 |
Reduced tax rate on income derived from "Preferred Enterprises" plans |  | (111) | 75 | 146 |
Exempt income (Bargain purchase) |  |  |  | (1,281) |
Earnings from foreign subsidiaries | [1] | 371 | 2,685 |  |
Valuation allowance |  | 8 | (40) | (75) |
Change in tax rate |  | 414 |  |  |
Tax in respect of prior years |  | 7 | (151) | (12) |
Other adjustments |  | 45 | (200) | 130 |
Permanent differences |  | (104) | (118) | 119 |
Taxes on income as reported in the statements of income |  | $ 2,333 | $ 3,865 | $ 644 |
[1] | During 2016, the Company recorded an accrual that related to a tax liability due to actual distribution of earnings from foreign subsidiaries of the Company and due to the possibility of future distribution of earnings from such foreign subsidiaries.

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