CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [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 income				1,204	1,204
Share-based compensation		46			46
Ending balance, value at Sep. 30, 2021	$ 16	73,684	(2,809)	(61,743)	9,148
Balance at ending, shares at Sep. 30, 2021	15,906
Beginning balance, value at Jun. 30, 2021	$ 16	73,675	(2,809)	(62,075)	8,807
Balance at beginning, shares at Jun. 30, 2021	15,906
Net income				332	332
Share-based compensation		9			9
Ending balance, value at Sep. 30, 2021	$ 16	73,684	(2,809)	(61,743)	9,148
Balance at ending, shares at Sep. 30, 2021	15,906
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 income				(1,666)	(1,666)
Treasury shares purchased			(326)		(326)
Share-based compensation		71			71
Ending balance, value at Sep. 30, 2022	$ 16	73,757	(3,135)	(62,287)	8,351
Balance at ending, shares at Sep. 30, 2022	15,906
Beginning balance, value at Jun. 30, 2022	$ 16	73,757	(3,135)	(60,708)	9,930
Balance at beginning, shares at Jun. 30, 2022	15,906
Net income				(1,579)	(1,579)
Ending balance, value at Sep. 30, 2022	$ 16	$ 73,757	$ (3,135)	$ (62,287)	$ 8,351
Balance at ending, shares at Sep. 30, 2022	15,906