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Note 3 - Inventories (Tables)
9 Months Ended
May 31, 2016
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
    May 31, 2016   August 31, 2015
Production materials   $ 1,337,225     $ 1,445,014  
Finished goods     6,073,781       6,023,427  
    $ 7,411,006     $ 7,468,441