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Net Income Per Share (Details 2) (USD $)
 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 1.90 $ 1.84
Balance at the end of the period (in shares) 5,043,985 5,465,455
Common stock warrants issued in connection with equity and financing transactions
    
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 2.25 $ 2.50
Balance at the end of the period (in shares) 1,165 92,635
Stock Options and Incentive Warrants
    
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 1.90 $ 1.83
Balance at the end of the period (in shares) 5,042,820 5,372,820