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Note Payable, Held-For-Sale (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 29, 2022
Jul. 31, 2022
Jul. 31, 2021
Jul. 09, 2021
Debt Disclosure [Abstract]        
Note payable       $ 15,000
Note payable bears interest rate, description   The Note Payable bears interest at a rate per annum equal to seven and one-quarter percent (7.25%) from July 9, 2021, through July 31, 2021 and thereafter at an interest rate per annum equal to the 30-day LIBOR Rate, as published in The Wall Street Journal, plus 6.90% per annum, but in no event less than seven and one-quarter percent (7.25%) per annum. The Note Payable is due on August 1, 2022, subject to the Company’s option to extend the maturity date until August 1, 2023 for a fee equal to three-quarters of one percent (0.75%) of the Note Payable.     
Maturity date   Nov. 01, 2022    
Paid extension fee $37,500      
Interest expense   $ 1,200 $ 64  
Unamortized debt issuance costs   0    
Amortization of the debt discount   $ 472 $ 28