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, 2019	$ 16	$ 73,521	$ (2,284)	$ (56,890)	$ 14,363
Beginning Balance, Shares at Dec. 31, 2019	15,906
Net income				(637)	(637)
Treasury shares purchased			(524)		(524)
Share-based compensation		50			50
Ending balance, value at Mar. 31, 2020	$ 16	73,571	(2,808)	(57,527)	13,252
Ending Balance, Shares at Mar. 31, 2020	15,906
Net income				(5,290)	(5,290)
Share-based compensation		24			24
Ending balance, value at Jun. 30, 2020	$ 16	73,595	(2,808)	(62,817)	7,986
Ending Balance, Shares at Jun. 30, 2020	15,906
Beginning balance, value at Dec. 31, 2020	$ 16	73,638	(2,809)	(62,947)	7,898
Beginning Balance, Shares at Dec. 31, 2020	15,756
Net income				148	148
Share-based compensation		20			20
Ending balance, value at Mar. 31, 2021	$ 16	73,658	(2,809)	(62,799)	8,066
Ending Balance, Shares at Mar. 31, 2021	15,756
Net income				724	724
Share-based compensation		17			17
Ending balance, value at Jun. 30, 2021	$ 16	$ 73,675	$ (2,809)	$ (62,075)	$ 8,807
Ending Balance, Shares at Jun. 30, 2021	15,756