Note I - Income Taxes - Differences Between Total Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Computed expected income tax expense (benefit)	$ 4,056	$ 3,413
Permanent Differences	91	172
Net effect of state income taxes	1,074	520
Foreign subsidiary dividend inclusions	639	447
Foreign tax rate differential	(349)	(224)
Change in valuation allowance	(18,243)	(1,424)
CARES Act NOL Carryback	0	(343)
Stock-based compensation windfalls	(365)	(244)
Return to Provision	(141)	247
Change in Rate	(2,172)	(373)
Credits	(1,126)	(403)
Adjustments to State Attributes	(1,330)	1,561
Gain on PPP Loan Forgiveness	0	(2,122)
Other Adjustments, net	403	61
Income tax (benefit) expense	$ (17,463)	$ 1,288