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Note 3 - NTI ASEAN (Tables)
12 Months Ended
Aug. 31, 2015
Notes Tables  
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Net assets acquired (liabilities assumed):        
Cash and cash equivalents   $ 1,613,000  
Accounts receivables     1,342,000  
Investments in joint ventures     4,967,000  
Value of assets   $ 7,922,000  
         
Purchase price:        
Fair value of non-controlling interest   $ 3,961,000  
Value of previously held interest     3,961,000  
Total consideration   $ 7,922,000