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Commitments (Tables)
12 Months Ended
Apr. 30, 2014
Schedule of Agreements by Year [Table Text Block]
      Office Leases –     Office Leases –     Total Office  
      Related Party     Unrelated Party     Leases  
  2015 $ 93,977   $ 609,148   $ 703,125  
  2016   93,977     638,371     732,348  
  2017   93,977     587,280     681,257  
  2018   93,977     566,382     660,359  
  2019   93,977     568,627     662,604  
  2020   -     236,928     236,928  
    $ 469,885   $ 3,206,736   $ 3,676,621