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Summary of Revenue by Product (Details) - USD ($)
12 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Product Information [Line Items]    
Total $ 1,813,000 $ 3,698,000
PURE Hard Surface [Member]    
Product Information [Line Items]    
Total 1,498,000 3,563,947
SILVERION [Member]    
Product Information [Line Items]    
Total $ 315,000 $ 134,053