Note 6 - Patents and Trademarks, Net (Details) - Patents and Trademarks, Net (USD $)	Aug. 31, 2013	Aug. 31, 2012
Patents and Trademarks, Net [Abstract]
Patents and trademarks	$ 2,064,128	$ 1,945,785
Less accumulated amortization	(1,003,489)	(984,604)
	$ 1,060,639	$ 961,181

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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/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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- Definition

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

+ References

+ Details

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- Definition

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

+ References

+ Details

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