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Share-Based Payments (Assumptions Used) (Details) - Stock Options - $ / shares
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Expected volatility 80.00% 80.00%
Risk-free interest rate 1.82% 1.92%
Expected dividend yield 0.00% 0.00%
Expected life (in years) 6 years 6 months 6 years 5 months 27 days
Estimated fair value per option granted $ 2.11 $ 3.73