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Note 7 - Investments in Joint Ventures (Details) (USD $)
Aug. 31, 2013
Aug. 31, 2012
NTI ASEAN [Member]
   
Note 7 - Investments in Joint Ventures (Details) [Line Items]    
Equity Method Investment, Ownership Percentage 10.00% 50.00%
Harita NTI Ltd [Member]
   
Note 7 - Investments in Joint Ventures (Details) [Line Items]    
Equity Method Investment, Ownership Percentage   50.00%
Due from Joint Ventures (in Dollars)   $ 484,545