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Note 3 - Inventories (Tables)
12 Months Ended
Aug. 31, 2016
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
    August 31, 2016   August 31, 2015
Production materials   $ 1,452,396     $ 1,445,014  
Finished goods     6,258,891       6,023,427  
    $ 7,711,287     $ 7,468,441