| Property and Equipment (Schedule of Software, Net) (Details) (USD $) | Apr. 30, 2014 | Apr. 30, 2013 | 
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Intangible asset, net | $ 108,882 | $ 208,095 | 
| Software [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Intangible asset, gross | 1,894,215 | 1,518,142 | 
| Accumulated amortization | (720,823) | (386,599) | 
| Intangible asset, net | $ 1,173,392 | $ 1,131,543 | 
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- Definition Accumulated amount of 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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- Definition Amount before 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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- 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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