Significant Accounting Policies (Tables)

9 Months Ended

Apr. 30, 2025

Accounting Policies [Abstract]

Summary of Revenue by Product

A summary of the Company’s revenue by product type for the nine months ended April 30, 2025 and 2024 is as follows:

	April 30,
	2025		2024
PURE Hard Surface	$	1,242,000	$	1,386,000
SILVÉRION		193,000		97,000
	$	1,435,000	$	1,483,000

A summary of the Company’s revenue by product type for the three months ended April 30, 2025 and 2024 is as follows:

	April 30,
	2025		2024
PURE Hard Surface	$	468,000	$	350,000
SILVÉRION		21,000		90,000
	$	489,000	$	440,000

Schedule of Anti-dilutive Securities Excluded from Computation of Diluted Shares Outstanding

	April 30,
	2025		2024
Common stock options		10,060,000		8,355,625
Restricted stock units		742,500		712,500
Shares issuable upon the conversion of debt		39,452,645		16,520,477
Total		50,255,145		25,588,602

Schedule of Inventories

Inventories consist of the following:

	April 30, 2025		July 31, 2024
Raw materials	$	22,000	$	4,000
Finished goods		109,000		52,000
	$	131,000	$	56,000