Note O - Income Taxes - Provision for Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Federal	$ 0	$ 41	$ 0
State	2	2	16
Foreign	0	0	97
Total	2	43	113
Federal	0	(172)	16,375
State	0	0	1,716
Foreign	0	7,357	(3,542)
Total	0	7,185	14,549
Income tax (benefit) expense	$ 2	$ 7,228	$ 14,662

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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