CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) shares in Thousands, $ 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				(264)	(264)
Treasury shares purchased			(226)		(226)
Share-based compensation		57			57
Ending balance, value at Mar. 31, 2022	$ 16	73,743	(3,035)	(60,885)	9,839
Balance at ending, shares at Mar. 31, 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				(97)	(97)
Share-based compensation		24			24
Ending balance, value at Mar. 31, 2023	$ 16	$ 73,800	$ (3,135)	$ (63,646)	$ 7,035
Balance at ending, shares at Mar. 31, 2023	15,906