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Share-Based Payments (Assumptions Used) (Details) (Stock Options, USD $)
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Stock Options
   
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 1.77% 0.99%
Expected dividend yield 0.00% 0.00%
Expected life (in years) 6 years 2 months 13 days 6 years 4 months 30 days
Estimated fair value per option granted $ 0.45 $ 0.87