Computation of Net Loss per Share (Schedule of Calculation of Basic Loss Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net loss attributable to shareholders of the company	$ (167)	$ (121)
Net loss attributable to shareholders of preferred shares	(25)	(18)
Net loss used in the calculation of basic loss per share	$ 142	$ 103
Basic and diluted net loss per share	$ (0.03)	$ (0.02)
Weighted average number of common stock used in the calculation of net loss per share	5,153,461	5,153,461