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Loans Payable (Tables)
9 Months Ended
Apr. 30, 2020
Debt Disclosure [Abstract]  
Schedule of long-term debt instruments
July 31,    
2020  $35 
2021   144 
2022   152 
2023   160 
2024   167 
Thereafter   3,653 
   $4,311 
Less: Current portion   (142)
Unamortized mortgage cost   (62)
   $4,107