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Note 5 - Patents and Trademarks, Net (Details) - Patents and Trademarks, Net (USD $) | Nov. 30, 2014 | Aug. 31, 2014
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Patents and Trademarks, Net [Abstract] |  |
Patents and trademarks | $ 2,340,237 us-gaap_FiniteLivedIntangibleAssetsGross | $ 2,287,840 us-gaap_FiniteLivedIntangibleAssetsGross
Less accumulated amortization | (1,112,056)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | (1,090,140)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
| $ 1,228,181 us-gaap_FiniteLivedIntangibleAssetsNet | $ 1,197,700 us-gaap_FiniteLivedIntangibleAssetsNet

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- 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 + Details
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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 + Details
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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 + Details
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