Income Taxes (Details) $ in Thousands	Jul. 31, 2022 USD ($)
Tax Year 2013 to 2021
Income Tax Contingency [Line Items]
Reserve for estimate of foreign income tax liability	$ 300
Tax Year 2023
Income Tax Contingency [Line Items]
Reserve for estimate of foreign income tax liability	25
Tax Year 2022
Income Tax Contingency [Line Items]
Reserve for estimate of foreign income tax liability	$ 100