Interim Consolidated Statements of Shareholder's Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Shares [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2019	$ 72	$ 69,954	$ (3,375)	$ (35,111)	$ 31,540
Balance, shares at Dec. 31, 2019	7,185,628
Exercise of options
Exercise of options, shares	965
Cancellation of treasury shares	$ (1)	(3,374)	3,375
Cancellation of treasury shares, shares	(83,333)
Share-based compensation		343			343
Net loss				(2,205)	(2,205)
Balance at Mar. 31, 2020	$ 71	66,923		(37,316)	29,678
Balance, shares at Mar. 31, 2020	7,103,260
Balance at Dec. 31, 2020	$ 72	68,516		(44,280)	24,308
Balance, shares at Dec. 31, 2020	7,108,133
Share-based compensation		410			410
Net loss				(2,388)	(2,388)
Balance at Mar. 31, 2021	$ 72	$ 68,926		$ (46,668)	$ 22,330
Balance, shares at Mar. 31, 2021	7,108,133