| Property and Equipment (Schedule of Software, Net) (Details) (USD $) | Oct. 31, 2014 | Apr. 30, 2014 | 
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Intangible asset, net | $ 134,861 | $ 108,882 | 
| Software [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Intangible asset, gross | 2,061,563 | 1,894,215 | 
| Accumulated amortization | (917,024) | (720,823) | 
| Intangible asset, net | $ 1,144,539 | $ 1,173,392 | 
| X | ||||||||||
| 
- 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 
 | 
| X | ||||||||||
| 
- 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 
 | 
| X | ||||||||||
| 
- 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 
 | 
| X | ||||||||||
| 
- Details 
 |