| Property and Equipment (Schedule of Estimated Future Amortization Expense) (Details) (USD $) | Oct. 31, 2013 | Apr. 30, 2013 | 
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total | $ 151,393 | $ 208,095 | 
| Software [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| 2014 | 172,269 | |
| 2015 | 344,538 | |
| 2016 | 343,692 | |
| 2017 | 220,960 | |
| 2018 | 99,983 | |
| Total | $ 1,181,442 | $ 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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- 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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- 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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- 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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