Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Apr. 30, 2020
Apr. 30, 2021
Payables and Accruals [Abstract]    
Payment advance $ 2,526  
Accrual, real and personal property taxes, uncertainty   25%
Accrued liabilities and other liabilities   $ 243