Note O - Restructuring Activities - Changes in Liabilities (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Beginning balance:	$ 738
Additions	0
Payments and adjustment	(726)
Ending balance:	12
Employee Severance [Member]
Beginning balance:	738
Additions	0
Payments and adjustment	(726)
Ending balance:	12
Facility, Asset Impairment and Other Expense [Member]
Beginning balance:	0
Additions	0
Payments and adjustment	0
Ending balance:	$ 0