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Note L - Intangible Assets - Summary of Intangible Assets (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Gross carrying amount	$ 1,845,080	$ 380,080
Accumulated amortization	(330,934)	(210,694)
Net carrying amount	1,514,146	154,386
Write-offs		(15,000)
Trade Names [Member]
Gross carrying amount	130,000
Accumulated amortization	(4,333)
Net carrying amount	125,667
Write-offs
Proprietary Software [Member]
Gross carrying amount	420,000
Accumulated amortization	(42,000)
Net carrying amount	378,000
Write-offs
Customer Relationships [Member]
Gross carrying amount	930,000
Accumulated amortization	(51,667)
Net carrying amount	878,333
Write-offs
Patents [Member]
Gross carrying amount	365,080	380,080
Accumulated amortization	(232,934)	(210,694)
Net carrying amount	$ 132,146	154,386
Write-offs		$ (15,000)

X

- Definition

The amount of write-off for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

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X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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X

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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X

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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