XML 47 R23.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Long-Term Debt - Mortgage (Tables)
6 Months Ended
Jan. 31, 2020
Debt Disclosure [Abstract]  
Schedule of long-term debt
January 31, 2020   July 31, 2019
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 4.375% 12/1/2024 $      989,764 $      4,330,054   $      5,298,610   $     
Deferred financing costs (114,618 ) (11,448 )
Total $ 989,764 $ 4,215,436   $ 5,287,162   $