Note I - Income Taxes - Component of Income Tax (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Federal	$ (17,286)	$ 216
State and local	696	504
Foreign	219	37
Total current	(16,371)	757
Federal	1,398	623
State and local	(2,163)	(96)
Foreign	521	469
Total deferred	(244)	996
Income tax (benefit) expense for the period	$ (16,615)	$ 1,753