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Annual report pursuant to Section 13 and 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 ($)
12 Months Ended
Apr. 30, 2017
Apr. 30, 2016
Property and equipment:    
Depreciation and Amortization Expense $ 498,476 $ 529,300
Software Amortization Expense $ 447,972 $ 481,230