Summary of Revenue by Product (Details) - USD ($)	3 Months Ended
	Oct. 31, 2022	Oct. 31, 2021
Product Information [Line Items]
Total	$ 467,000	$ 497,000
PURE Hard Surface [Member]
Product Information [Line Items]
Total	446,000	444,000
SILV?RION [Member]
Product Information [Line Items]
Total	$ 21,000	$ 53,000