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(11) Common Stock and Common Stock Equivalents: Fair Value Assumptions (Details)
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Expected dividend yield 0.00% 0.00%
Expected stock price volatility 69.00%  
Expected stock price volatility - minimum   60.00%
Expected stock price volatility - maximum   64.00%
Risk-free interest rate 2.09%  
Risk-free interest rate - minimum   2.50%
Risk-free interest rate - maximum   3.43%
Expected life of options (years) 10 10