Note I - Income Taxes - Reconciliation of Deferred Tax Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Balance	$ 30,841	$ 38,379
Deferred Income Tax Expense	(1,460)	(7,534)
Return to Provision Impact	(297)	12
Other Comprehensive Income	(3,190)	(16)
Balance	$ 25,894	$ 30,841