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Summary of Significant Accounting Policies (Details 5) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Summary of Significant Accounting Policies [Line Items]    
Deferred revenues $ 224 $ 1,248
Deferred license fees [Member]    
Summary of Significant Accounting Policies [Line Items]    
Deferred revenues 138 1,089
Deferred AirBar revenues [Member]    
Summary of Significant Accounting Policies [Line Items]    
Deferred revenues 70 137
Deferred sensor modules revenues [Member]    
Summary of Significant Accounting Policies [Line Items]    
Deferred revenues $ 16 $ 22