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Commitments (Tables)
9 Months Ended
Jan. 31, 2015
Schedule of Agreements by Year [Table Text Block]
      Office Leases –     Office Leases –     Total Office  
      Related Party     Unrelated Party     Leases  
  2015 $ 20,397   $ 141,462   $ 161,859  
  2016   81,590     566,385     647,975  
  2017   81,590     514,429     596,019  
  2018   81,590     492,046     573,636  
  2019   81,590     493,673     575,263  
  2020   -     205,697     205,697  
    $ 346,757   $ 2,413,692   $ 2,760,449