Loss of Control of Subsidiary (Details Textual) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Sep. 05, 2019	Feb. 24, 2019	Dec. 31, 2019	Dec. 31, 2018
Loss of Control of Subsidiary (Textual)
Irrevocable proxy assigning his voting power		1,980,000
Voting interest of Micronet increased	37.79%	39.53%
Percentage of shares issued and outstanding				49.89%
Impairment for investment			$ 281
Micronet [Member]
Loss of Control of Subsidiary (Textual)
Irrevocable proxy assigning his voting power		1,980,000
Voting interest of Micronet increased		39.53%		50.07%
Ownership interest in Micronet, diluted				49.89%
Percentage of shares issued and outstanding	37.79%
Maximum [Member]
Loss of Control of Subsidiary (Textual)
Ownership interest in Micronet, diluted	33.88%	49.89%
Minimum [Member]
Loss of Control of Subsidiary (Textual)
Ownership interest in Micronet, diluted	30.48%	33.88%