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Net Income Per Share (Details) (USD $)
 3 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Numerator    
Net income available to common shareholders $ 990,951 $ 1,015,683
Denominator    
Weighted average number of common shares - Basic 27,938,297 27,669,355
Effect of dilutive securities:    
Common stock warrants issued in connection with equity and financing transactions (in shares) 852 59,057
Stock Options and Incentive Warrants (in shares) 3,824,339 3,550,938
Total weighted average dilutive securities (in shares) 3,825,191 3,609,995
Weighted average number of common shares and dilutive potential common shares used in diluted EPS 31,763,488 31,279,350
Net income per common share - Basic (in dollars per share) $ 0.04 $ 0.04
Net income per common share - Diluted (in dollars per share) $ 0.03 $ 0.03