Note G - Intangibles, Net (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Amortization of Intangible Assets	$ 30,232	$ 49,320
Finite-Lived Intangible Asset, Expected Amortization, Year One	69,000
Finite-Lived Intangible Asset, Expected Amortization, Year Two	62,000
Finite-Lived Intangible Asset, Expected Amortization, Year Three	17,000
Patents [Member]
Amortization of Intangible Assets	$ 30,000	$ 49,000
Patents [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	3 years
Patents [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	20 years

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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