CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 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, 2019	$ 16	$ 73,521	$ (2,284)	$ (56,890)	$ 14,363
Balance at beginning, shares at Dec. 31, 2019	15,906
Net income				(6,057)	(6,057)
Treasury shares purchased			(525)		(525)
Share-based compensation		117			117
Ending balance, value at Dec. 31, 2020	$ 16	73,638	(2,809)	(62,947)	7,898
Balance at ending shares at Dec. 31, 2020	15,906
Net income				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