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Note 5 - Patents and Trademarks, Net - Patents and Trademarks, Net (Details) - USD ($)	Nov. 30, 2019	Aug. 31, 2019
Patents and trademarkes, net	$ 972,514	$ 1,008,969
Patents and Trademarks [Member]
Patents and trademarks	2,960,942	2,938,876
Less accumulated amortization	(1,988,428)	(1,929,907)
Patents and trademarkes, net	$ 972,514	$ 1,008,969

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)
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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
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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- Definition

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
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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