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(n) Foreign Currency Translation: Foreign Currency Transactions, Description (Details)
May. 31, 2015
May. 31, 2014
China, Yuan Renminbi    
Foreign Currency Exchange Rate, Translation 0.1612 0.1621
China, Yuan Renminbi | Average Yearly    
Foreign Currency Exchange Rate, Translation 0.1614 0.1629
Hong Kong, Dollars    
Foreign Currency Exchange Rate, Translation 0.1290 0.1290
Hong Kong, Dollars | Average Yearly    
Foreign Currency Exchange Rate, Translation 0.1290 0.1290