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Share-Based Payments (Tables)
9 Months Ended
Mar. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share based Compensation Arrangement By Share based Payment Award Fair Value Assumptions And Methodology [Table Text Block] The table below indicates the key assumptions used in the option valuation calculations for options granted in the periods presented:

    Three Months Ended March 31,     Nine Months Ended March 31,  
    2014     2013     2014     2013  
Term     n/a       7.3 Years       8.5 Years       7.3 Years  
Volatility     n/a       59.2 %     57.0 %     59.2 %
Dividend yield     n/a                    
Risk-free interest rate     n/a       1.4 %     2.4 %     1.2-1.4 %