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Summary of Significant Accounting Policies (Details) - Schedule of allowance for uncollectible receivables - USD ($)
Jul. 31, 2022
Jul. 31, 2021
Allowance for Uncollectible Accounts Receivable [Member]    
Summary of Significant Accounting Policies (Details) - Schedule of allowance for uncollectible receivables [Line Items]    
Beginning balance $ 318,000 $ 82,000
Charge-offs
Reserve adjustments 75,000 236,000
Ending Balance 393,000 318,000
Bad Debt Expense [Member]    
Summary of Significant Accounting Policies (Details) - Schedule of allowance for uncollectible receivables [Line Items]    
Beginning balance
Charge-offs 277,920
Reserve adjustments 75,000 236,000
Ending Balance $ 352,920 $ 236,000