CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - 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, 2020	$ 16	$ 73,638	$ (2,809)	$ (62,947)	$ 7,898
Balance at beginning, shares at Dec. 31, 2020	15,906
Net loss				2,326	2,326
Share-based compensation		48			48
Ending balance, value at Dec. 31, 2021	$ 16	73,686	(2,809)	(60,621)	10,272
Balance at ending, shares at Dec. 31, 2021	15,906
Net loss				(2,928)	(2,928)
Treasury shares purchased			(326)		(326)
Share-based compensation		90			90
Ending balance, value at Dec. 31, 2022	$ 16	$ 73,776	$ (3,135)	$ (63,549)	$ 7,108
Balance at ending, shares at Dec. 31, 2022	15,906