Significant Accounting Policies (Tables)

3 Months Ended

Oct. 31, 2023

Accounting Policies [Abstract]

Summary of Revenue by Product

A summary of our revenue by product type for the three months ended October 31, 2023 and 2022 is as follows:

	October 31,
	2023		2022
PURE Hard Surface	$	718,000	$	446,000
SILVÉRION		—		21,000
	$	718,000	$	467,000

Schedule of Anti-dilutive Securities Excluded from Computation of earnings Per Share

	October 31,
	2023		2022
Common stock options		8,355,625		8,014,125
Restricted stock units		712,500		1,212,500
Shares issuable upon the conversion of debt		12,182,860		—
Total		21,250,985		9,226,625

Schedule of Inventories

Inventories consist of the following:

	October 31, 2023		July 31, 2023
Raw materials	$	15,000	$	11,000
Finished goods		89,000		77,000
	$	104,000	$	88,000

Inventories at October 31, 2023 and July 31, 2023, are net of a reserve for inventory obsolescence of $259,000.