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Net Income Per Share (Details 2) (USD $)
 3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 1.82 $ 1.84
Balance at the end of the period (in shares) 5,343,985 5,465,185
Common stock warrants issued in connection with equity and financing transactions
    
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 2.50 $ 2.50
Balance at the end of the period (in shares) 1,165 92,365
Stock Options and Incentive Warrants
    
Outstanding Potential Dilutive Securities    
Weighted Average Exercise Price (in dollars per share) $ 1.82 $ 1.83
Balance at the end of the period (in shares) 5,342,820 5,372,820