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Leases (Details) - Schedule of aggregate operating lease liability - USD ($)
$ in Thousands
Jan. 31, 2021
Jul. 31, 2020
Other Current Liabilities [Member]    
Leases (Details) - Schedule of aggregate operating lease liability [Line Items]    
Operating lease liabilities included in “Other current liabilities” $ 2,537 $ 2,350
Noncurrent Liabilities [Member]    
Leases (Details) - Schedule of aggregate operating lease liability [Line Items]    
Operating lease liabilities included in noncurrent liabilities 6,514 7,353
Operating Lease Liabilities [Member]    
Leases (Details) - Schedule of aggregate operating lease liability [Line Items]    
Total $ 9,051 $ 9,703