Leases (Details) - Schedule of aggregate operating lease liability - USD ($) $ in Thousands	Oct. 31, 2020	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”	$ 2,477	$ 2,350
Noncurrent Liabilities [Member]
Leases (Details) - Schedule of aggregate operating lease liability [Line Items]
Operating lease liabilities included in noncurrent liabilities	7,193	7,353
Operating Lease Liabilities [Member]
Leases (Details) - Schedule of aggregate operating lease liability [Line Items]
Total	$ 9,670	$ 9,703