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Note A - Overview and Significant Accounting Policies - Property, Plant and Equipment (Details)	12 Months Ended
	Dec. 31, 2021
Software and Software Development Costs [Member]
Estimated useful lives (Year)	5 years
Minimum [Member] | Building and Building Improvements [Member]
Estimated useful lives (Year)	3 years
Minimum [Member] | Software and Software Development Costs [Member]
Estimated useful lives (Year)	2 years
Minimum [Member] | Furniture and Fixtures [Member]
Estimated useful lives (Year)	3 years
Maximum [Member] | Building and Building Improvements [Member]
Estimated useful lives (Year)	40 years
Maximum [Member] | Software and Software Development Costs [Member]
Estimated useful lives (Year)	10 years
Maximum [Member] | Furniture and Fixtures [Member]
Estimated useful lives (Year)	20 years

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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- Details

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- Details

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