Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income.

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Provision for Income taxes (Details) - USD ($)	1 Months Ended	9 Months Ended
Provision for Income taxes (Details) - USD ($)	Mar. 27, 2020	Apr. 30, 2021	Jul. 31, 2020
Provision for Income taxes (Details) [Line Items]
Net operating loss carryforwards			$ 433,000
Effective tax rate		6.60%
Income tax provisions, description	The Act contains several new or changed income tax provisions, including but not limited to the following: increased limitation threshold for determining deductible interest expense, class life changes to qualified improvements (in general, from 39 years to 15 years), and the ability to carry back net operating losses incurred from tax years 2018 through 2020 up to the five preceding tax years.
Federal Operating Loss Carryforward [Member]
Provision for Income taxes (Details) [Line Items]
Net operating loss carryforwards, domestic			5,600,000
State Operating Loss Carryforward [Member]
Provision for Income taxes (Details) [Line Items]
Net operating loss carryforwards, domestic			$ 5,900,000