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Taxes on Income (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Taxes on Income [Abstract]
Income (loss) before income taxes, as reported in the statements of operations	$ 2,984	$ 1,939	$ (802)
Theoretical tax benefit	716	485	(213)
Increase (decrease) in income taxes resulting from:
Tax rate differential on foreign subsidiaries	(166)	(98)	(2)
Non-deductible expenses and other permanent differences	987	683	446
Differences in taxes arising from foreign currency exchange, net	(856)	(324)	641
Utilization of carry forward tax losses for which valuation allowance was provided	(554)	(1,102)	(451)
Withholding taxes that were deducted by the Company's customers	32	6	121
Other	(76)	374	(421)
Income taxes	$ 83	$ 24	$ 121

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to equity in earnings (loss) of tax rate differential on foreign subsidiaries.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to withholding taxes that were deducted by the Company''s clients.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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