Taxes on Income (Details 1) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Operating loss carry forwards	$ 2,974	$ 2,097
Reserves and allowances	6	6
Research and development	128	136
Net deferred tax asset before valuation allowance	3,108	2,239
Valuation allowance	(3,108)	(2,239)
Net deferred tax asset