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Nature of Operations and Summary of Significant Accounting Policies - Summary of Accounts Receivable (Detail) (USD $)
Sep. 30, 2013
Sep. 30, 2012
Receivables [Abstract]    
Accounts receivable $ 1,506,627 $ 1,115,084
Less: Allowance for doubtful accounts (12,000) (17,773)
Accounts receivable, net $ 1,494,627 $ 1,097,311