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Note 5 - Patents and Trademarks, Net (Details) - Patents and Trademarks, Net - USD ($)	May. 31, 2015	Aug. 31, 2014
Finite-Lived Intangible Assets [Line Items]
	$ 1,270,739	$ 1,197,700
Patents and Trademarks Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Patents and trademarks	2,426,627	2,287,840
Less accumulated amortization	(1,155,888)	(1,090,140)
	$ 1,270,739	$ 1,197,700

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/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

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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+ References

No definition available.

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- Definition

Amount after 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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