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Note 14 - Related Party Transactions (Detail) (Bioplastic Polymers LLC [Member], USD $)
12 Months Ended
Aug. 31, 2011
Aug. 31, 2010
Consulting Payment Expense [Member]
   
Related Party Transaction, Amounts of Transaction $ 100,000 $ 100,000
Royalty Payments Expense [Member]
   
Related Party Transaction, Amounts of Transaction $ 5,624 $ 7,745