Supplementary Financial Statements Information (Details 2) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Numerator:
Amount for basic earnings per share	$ (2,610)	$ (8,157)
Effect of dilutive instruments
Amount for diluted earnings per share	$ (2,610)	$ (8,157)
Denominator:
Denominator for basic earnings per share - weighted average of shares	9,166,443	7,128,655
Loss per share attributable to Micronet Enertec:
Basic and diluted continued operation	$ (0.81)	$ (0.45)
Basic and diluted discontinued operation	$ 0.56	$ (0.69)