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Note N - Restructuring Activities (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 ft²
Restructuring and Related Cost, Expected Cost, Total		$ 0		$ 27,600
Restructuring Costs, Total		0	$ 728
Facility Closing [Member]
Restructuring Costs, Total	$ 900	4,900
Employee Severance [Member]
Restructuring Costs, Total	100	1,500
Lease Impairment [Member]
Restructuring Costs, Total	400	700
Facility Related and Other Expenses [Member]
Restructuring Costs, Total	$ 400	$ 2,600
Facility in Kansas City [Member]
Area of Real Estate Property (Square Foot) | ft²					400,000
Austin (TX) Office [Member]
Area of Real Estate Property (Square Foot) | ft²					50,000

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Amount expected to be recognized in earnings for the specified restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 420
-SubTopic 10
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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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