Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Schedule Of Depreciation And Amortization Expense) (Details)

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Property and Equipment (Schedule Of Depreciation And Amortization Expense) (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2017
Jan. 31, 2016
Jan. 31, 2017
Jan. 31, 2016
Property and equipment:        
Depreciation and amortization Expense $ 119,064 $ 135,084 $ 378,118 $ 390,010
Software amortization Expense $ 105,914 $ 122,619 $ 342,938 $ 354,688