CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Total
Beginning Balance, Shares at Dec. 31, 2018	15,706
Beginning Balance, Amount at Dec. 31, 2018	$ 16	$ 73,271	$ (2,062)	$ (54,116)	$ 17,109
Net loss				(2,774)	(2,774)
Restricted stock awards, shares	200
Restricted stock awards, value
Treasury shares purchased			(222)		(222)
Share-based compensation		250			250
Ending Balance, Shares at Dec. 31, 2019	15,906
Ending Balance, Amount at Dec. 31, 2019	$ 16	73,521	(2,284)	(56,890)	14,363
Net loss				(6,057)	(6,057)
Restricted stock awards, shares	(150)
Restricted stock awards, value
Treasury shares purchased			(525)		(525)
Share-based compensation		117			117
Ending Balance, Shares at Dec. 31, 2020	15,756
Ending Balance, Amount at Dec. 31, 2020	$ 16	$ 73,638	$ (2,809)	$ (62,947)	$ 7,898