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Note 6 - Patents and Trademarks, Net (Details Textual) - USD ($)
 12 Months Ended
Aug. 31, 2015
Aug. 31, 2014
Aug. 31, 2013
Patents and Trademarks [Member]      
Finite-Lived Intangible Assets, Amortization Expense, Year Two $ 80,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 80,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 80,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Five $ 80,000    
Finite-Lived Intangible Asset, Useful Life 7 years    
Amortization $ 87,663 $ 86,652 $ 71,405
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months $ 80,000