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Net Income Per Share (Details) (USD $)
 3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Numerator    
Net income available to common shareholders $ 1,303,876 $ 990,951
Denominator    
Weighted average number of common shares - Basic 28,607,320 27,938,297
Effect of dilutive securities:    
Common stock warrants issued in connection with equity and financing transactions (in shares)   852
Stock Options and Incentive Warrants (in shares) 3,603,945 3,824,339
Total weighted average dilutive securities (in shares) 3,603,945 3,825,191
Weighted average number of common shares and dilutive potential common shares used in diluted EPS 32,211,265 31,763,488
Net income per common share - Basic (in dollars per share) $ 0.05 $ 0.04
Net income per common share - Diluted (in dollars per share) $ 0.04 $ 0.03