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SHARE-BASED EXPENSES (Details)
9 Months Ended
Apr. 30, 2016
$ / shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Annualized volatility 123.73%
Risk-free interest rate 0.23%
Expected life 18 months
Dividend yield
Share price $ 2.70
Exercise price $ 1.25