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Nature of Operations and Summary of Significant Accounting Policies - Calculation of Basic and Diluted Net Loss Per Share (Detail) (USD $)
3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Earnings Per Share Basic And Diluted [Abstract]    
Net loss $ (1,468,300) $ (1,359,642)
Weighted-average common shares outstanding-basic 30,402,397 26,024,288
Weighted-average common shares outstanding-diluted 30,402,397 26,024,288
Net loss per share - basic $ (0.05) $ (0.05)
Net loss per share - diluted $ (0.05) $ (0.05)