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INCOME TAXES (Detail Textuals) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax Disclosure [Abstract] |  |  |  |
Amount of undistributed earnings of foreign subsidiaries | $ 40,479 |  |  |
Amount considered to be indefinitely reinvested in foreign countries | 11,479 |  |  |
Amount of foreign earnings based on anticipated changes in U.S. tax policies | 29,000 |  |  |
Deferred tax liability related to U.S. federal and state income taxes | 1,215 |  |  |
Deferred tax liability related to undistributed earnings of subsidiaries | 487 |  |  |
Unrecognized tax benefits | 1,037 | $ 792 | $ 526 | $ 344
Liability for potential penalties | 198 |  |  |
Interest related to unrecognized tax benefits | $ 19 |  |  |

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