XML 16 R25.htm IDEA: XBRL DOCUMENT v3.3.0.814
SHARE-BASED EXPENSES (Details)
12 Months Ended
Jul. 31, 2015
$ / 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