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Stock Options (Tables)
3 Months Ended
Jul. 31, 2012
Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
  Exercise  
Number of Price  
Options $ Expiry Date
2,000,000 0.15 March 3, 2015
   275,000 0.50 July 23, 2017
   350,000 1.00 December 18, 2017
2,625,000    
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
            Weighted     Weighted        
            Average     Average     Aggregate  
            Exercise     Remaining     Intrinsic  
      Number of     Price     Contractual Life     Value  
      Options     $     (years)     $  
                           
  Outstanding, October 31, 2011 and July 31, 2012   2,625,000     0.30     3.71     –