CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2021	$ 16	$ 73,686	$ (2,809)	$ (60,621)	$ 10,272
Balance at beginning, shares at Dec. 31, 2021	15,906
Net loss				(87)	(87)
Share-based compensation		71			71
Treasury shares purchased			(326)		(326)
Ending balance, value at Jun. 30, 2022	$ 16	73,757	(3,135)	(60,708)	9,930
Balance at ending, shares at Jun. 30, 2022	15,906
Beginning balance, value at Mar. 31, 2022	$ 16	73,743	(3,035)	(60,885)	9,839
Balance at beginning, shares at Mar. 31, 2022	15,906
Net loss				177	177
Share-based compensation		14			14
Treasury shares purchased			(100)		(100)
Ending balance, value at Jun. 30, 2022	$ 16	73,757	(3,135)	(60,708)	9,930
Balance at ending, shares at Jun. 30, 2022	15,906
Beginning balance, value at Dec. 31, 2022	$ 16	73,776	(3,135)	(63,549)	7,108
Balance at beginning, shares at Dec. 31, 2022	15,906
Net loss				(530)	(530)
Share-based compensation		40			40
Ending balance, value at Jun. 30, 2023	$ 16	73,816	(3,135)	(64,079)	6,618
Balance at ending, shares at Jun. 30, 2023	15,906
Beginning balance, value at Mar. 31, 2023	$ 16	73,800	(3,135)	(63,646)	7,035
Balance at beginning, shares at Mar. 31, 2023	15,906
Net loss				(433)	(433)
Share-based compensation		16			16
Ending balance, value at Jun. 30, 2023	$ 16	$ 73,816	$ (3,135)	$ (64,079)	$ 6,618
Balance at ending, shares at Jun. 30, 2023	15,906