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Stock Options And Restricted Stock Awards (Assumptions Used To Estimate Fair Value Of Options Granted) (Details)
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Stock Options And Restricted Stock Awards [Abstract]      
Volatility 72.00% 78.00% 80.00%
Risk-free interest rate 0.40% 0.40% 0.90%
Expected option life 3 years 4 months 24 days 3 years 3 months 18 days 3 years 7 months 6 days