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Taxes on Income (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Taxes on Income (Textual)
Loss carry forward	$ 33,204
Accumulated capital losses	$ 23,597
Israel [Member]
Taxes on Income (Textual)
Corporate tax rate		23.00%	24.00%
Corporate tax rate, description	On December 30, 2016, as part of the Economic Efficiency Law (Legislative Amendments for Accomplishment of Budgetary Targets for Budget Years 2017-2018), 5777-2016, the corporate tax rate was reduced to 24% for the 2017 tax year and to 23% in 2018 tax year and thereafter.

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Percentage 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 revisions of previously reported income tax expense.

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A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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