| Property and Equipment (Schedule Of Depreciation And Amortization Expense) (Details) - USD ($) | 3 Months Ended | |
|---|---|---|
| Jul. 31, 2015 | Jul. 31, 2014 | |
| Property and Equipment [Abstract] | ||
| Depreciation and Amortization Expense | $ 124,770 | $ 105,395 | 
| Software Amortization Expense | $ 113,832 | $ 95,977 | 
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- Definition For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- References No definition available. 
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