XML 45 R35.htm IDEA: XBRL DOCUMENT v3.3.1.900
Long-Term Debt - Mortgage (Schedule of long-term debt) (Details) - USD ($)
6 Months Ended
Jan. 31, 2016
Jul. 31, 2015
Debt Instrument [Line Items]    
Due After One Year $ 5,709,650 $ 5,786,525
Bond St. building, Brooklyn, NY [Member]    
Debt Instrument [Line Items]    
Due Within One Year 153,511 150,763
Due After One Year $ 5,709,650 $ 5,786,525
Final Payment Date Feb. 01, 2020  
Current Annual Interest Rate 3.54%