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Accounts Receivable (Tables)
 3 Months Ended
Oct. 31, 2023
Accounts Receivable [Abstract]  
Schedule of Accounts Receivable Accounts receivable consisted of the following:
   October 31,
2023		   July 31,
2023		 
   (in thousands) 
Accounts receivable - third party  $251   $247 
Accounts receivable - related party   225    211 
Less allowance for doubtful accounts   (245)   (245)
Accounts receivable, net  $231   $213