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Note 6 - Patents and Trademarks, Net (Tables)
12 Months Ended
Aug. 31, 2014
Disclosure Text Block [Abstract]  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
August 31, 2014
   
August 31, 2013
 
Patents and trademarks
  $ 2,287,840     $ 2,064,128  
Less accumulated amortization
    (1,090,140 )     (1,003,489 )
    $ 1,197,700     $ 1,060,639