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Note 6 - Investments in Joint Ventures (Detail) (USD $)
12 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Payments to Acquire Interest in Joint Venture (in Dollars) $ 484,545 $ 38,217
Joint Venture in Russia [Member]
   
Payments to Acquire Interest in Joint Venture (in Dollars)   38,217
Equity Method Investment, Ownership Percentage 50.00%  
Harita NTI Limited [Member] | Fees For Services Provided to Joint Ventures [Member]
   
Due from Joint Ventures (in Dollars) $ 484,545  
Harita NTI Limited [Member]
   
Equity Method Investment, Ownership Percentage 50.00%