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Summary of Significant Accounting Principles (Tables)
3 Months Ended
Jul. 31, 2012
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
      Fair Value Measurements Using        
      Quoted prices in                    
      active markets           Significant        
      for identical     Significant other     Unobservable     Balance,  
      instruments     observable Inputs     inputs     June 30,  
      (Level 1)     (Level 2 )     (Level 3)     2012  
      $     $     $     $  
                           
  Cash   299     –     –     299  
  Derivative liability   –     –     (78,757 )   (78,757 )
                           
      299     –     (78,757 )   (78,458 )