Note 5 - Patents and Trademarks, Net - Patents and Trademarks, Net (Details) - USD ($)	Nov. 30, 2017	Aug. 31, 2017
Patents and trademarkes, net	$ 1,291,335	$ 1,322,089
Patents and Trademarks [Member]
Patents and trademarks	2,769,382	2,737,959
Less accumulated amortization	(1,478,047)	(1,415,870)
Patents and trademarkes, net	$ 1,291,335	$ 1,322,089

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

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