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           Property and Equipment (Schedule of Estimated Future Amortization Expense) (Details) (USD $) 
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           Jan. 31, 2014 
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           Apr. 30, 2013 
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|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total | $ 129,367 | $ 208,095 | 
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           Software [Member] 
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| Property, Plant and Equipment [Line Items] | ||
| 2014 | 90,493 | |
| 2015 | 361,972 | |
| 2016 | 361,126 | |
| 2017 | 238,394 | |
| 2018 | 129,017 | |
| Total | $ 1,181,002 | $ 1,131,543 | 
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- Definition 
          Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
          
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