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Note 5 - Patents and Trademarks, Net - Patents and Trademarks, Net (Details) - USD ($)
May 31, 2018
Aug. 31, 2017
Patents and trademarkes, net $ 1,196,222 $ 1,322,089
Patents and Trademarks [Member]    
Patents and trademarks 2,800,553 2,737,959
Less accumulated amortization (1,604,331) (1,415,870)
Patents and trademarkes, net $ 1,196,222 $ 1,322,089