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Share-Based Compensation (Tables)
12 Months Ended
Jul. 31, 2014
Share-Based Compensation [Abstract]  
Schedule Of Weighted-Average Assumptions Used To Estimate Fair Value Of Option Grant

 

 

 

 

 

 

 

 

 

For the years ended July 31,

 

2014

 

2013

Volatility

108.00% 

 

134.80% 

Risk-free interest rate

0.45% 

 

85.00% 

Dividend yield

0.0% 

 

0.0% 

Expected life

2.32 years

 

5.06 years