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Long Term Debt (Tables)
9 Months Ended
Apr. 30, 2022
Debt Disclosure [Abstract]  
Schedule of minimum future annual principal payments
July 31,  Total 
2022  $39 
2023   160 
2024   167 
2025   541 
2026   186 
Thereafter   3,290 
Total principal payments   4,383 
Less: current portion, included in other current liabilities and finance leases short term   (158)
Unamortized mortgage cost   (48)
Long term debt - net  $4,177