Summary of Significant Accounting Policies (Details 5) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Summary of Significant Accounting Policies [Line Items]
Deferred revenues	$ 67	$ 75
Deferred license revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred revenues	28
Deferred NRE revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred revenues	20
Deferred AirBar revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred revenues	6	59
Deferred sensor modules revenues [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred revenues	$ 13	$ 16