Note 6 - Patents and Trademarks, Net (Details) - USD ($)	Aug. 31, 2015	Aug. 31, 2014
Patents and Trademarks [Member]
Patents and trademarks	$ 2,440,022	$ 2,287,840
Less accumulated amortization	(1,177,803)	(1,090,140)
	1,262,219	1,197,700
	$ 1,262,219	$ 1,197,700

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=26713463&loc=d3e16323-109275

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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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