Annual report pursuant to Section 13 and 15(d)

Accounts Receivable (Details)

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Accounts Receivable (Details) - USD ($)
12 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Accounts Receivable [Abstract]    
Accounts receivable $ 1,337,792 $ 871,427
Less: Allowance for doubtful accounts (279,453) (221,537)
Accounts receivable, net 1,058,339 649,890
Bad debt expense $ 156,165 $ 154,732