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Commitments (Tables)
6 Months Ended
Oct. 31, 2013
Schedule of Agreements by Year [Table Text Block]
      Office Leases –     Office Leases –     Total Office  
      Related Party     Unrelated Party     Leases  
  2014 $ 34,453   $ 257,535   $ 291,988  
  2015   -     267,776     267,776  
  2016   -     63,540     63,540  
  2017   -     5,295     5,295  
    $ 34,453   $ 594,146   $ 628,599