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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No definition available.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Note H - Patents (Details Textual) - USD ($)		9 Months Ended	12 Months Ended
Note H - Patents (Details Textual) - USD ($)	Jul. 13, 2017	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Amortization of Intangible Assets, Total			$ 53,013	$ 814,681
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months			53,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two			53,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three			53,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four			47,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five			33,000
Impairment of Intangible Assets, Finite-lived				1,539,794
Patents [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Amortization of Intangible Assets, Total			$ 53,013	$ 814,681
Finite-lived Intangible Assets Acquired	$ 2,639,000
Patents [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		3 years
Patents [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		20 years