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Long-Term Debt - Mortgages (Tables)
 9 Months Ended
Apr. 30, 2015
Long-Term Debt - Mortgages: [Abstract]  
Schedule of long-term debt
          April 30, 2015   July 31, 2014
  Current
Annual
Interest
Rate		   Final
Payment
Date		   Due
Within
One Year		   Due
After
One Year		   Due
Within
One Year		   Due
After
One Year
Fishkill, New York property   6.98%   2/18/15   $ –   $ –   $ 68,112   $ 1,470,463
Bond St. building, Brooklyn, NY   6.98%   2/18/15   –   –   171,888   3,710,872
Bond St. building, Brooklyn, NY   3.54%   2/01/20   149,422   5,825,014   –   –
       Total       $ 149,422   $ 5,825,014   $ 240,000   $ 5,181,335