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Long-Term Debt – Mortgage (Tables)
3 Months Ended
Oct. 31, 2016
Long-Term Debt – Mortgage [Abstract]  
Schedule of long-term debt
             October 31, 2016 July 31, 2016
Current
Annual Final Due Due Due Due
Interest Payment Within After Within After
Rate      Date      One Year      One Year      One Year      One Year
Bond St. building, Brooklyn, NY 3.54% 2/1/2020 $      158,269 $      5,589,994 $      156,846 $      5,629,679
  Less: Deferred financing costs 22,872 51,489 22,877 57,202
Total $ 135,397 $ 5,538,505 $ 133,969 $ 5,572,477