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Note 3 - Inventories (Tables)
6 Months Ended
Feb. 28, 2013
Schedule of Inventory, Current [Table Text Block]
   
February 28,
2013
   
August 31,
2012
 
Production materials
  $ 952,997     $ 1,462,615  
Finished goods
    4,200,534       2,688,582  
    $ 5,153,531     $ 4,151,197