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Note 5 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Intangible assets	$ 749,501	$ 629,998
Less Accumulated amortization	(269,441)	(141,282)
Intangible assets, net	480,060	488,716
Customer Relationships [Member]
Intangible assets	544,770	494,315
Patents [Member]
Intangible assets	$ 204,731	$ 135,683

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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