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Taxes on Income (Details 1) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred tax assets:    
Operating loss carry forward $ 2,097 $ 1,688
Reserves and allowances 6 8
Research and development 136 89
Net deferred tax asset before valuation allowance 2,239 1,785
Valuation allowance (2,239) (1,785)
Net deferred tax asset