Note 5 - Patents and Trademarks, Net - Patents and Trademarks, Net (Details) - USD ($)	Aug. 31, 2017	Aug. 31, 2016
Patents and trademarkes, net	$ 1,322,089	$ 1,278,597
Patents and Trademarks [Member]
Patents and trademarks	2,737,959	2,575,435
Less accumulated amortization	(1,415,870)	(1,296,838)
Patents and trademarkes, net	$ 1,322,089	$ 1,278,597

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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