SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Nov. 30, 2024

Accounting Policies [Abstract]

SCHEDULE OF NET INVENTORIES

Net inventories are approximately the following:

	November 30, 2024			May 31, 2024
Raw materials	$	1,298,000		$	1,519,000
Work in progress		857,000			1,145,000
Finished products		103,000			179,000
Total gross inventory		2,258,000			2,843,000
Inventory reserves		(469,000	)		(467,000	)
Net inventory	$	1,789,000		$	2,376,000

SUMMARY OF OPTIONS ACTIVITY

The following summary presents the options granted, exercised, expired, cancelled and outstanding for the six months ended November 30, 2024:

	Option Shares			Weighted Average Exercise Price
Options Outstanding at May 31, 2024		3,479,616		$	2.53
Granted		67,000			0.44
Cancelled or expired		(332,000	)		2.15
Options Outstanding at November 30, 2024		3,214,616		$	2.53

SCHEDULE OF DISAGGREGATION REVENUE

The following is a breakdown of revenues according to markets to which the products are sold:

	Three Months Ended November 30,				Six Months Ended November 30,
	2024		2023		2024		2023
Clinical lab	$	777,000	$	992,000	$	2,057,000	$	2,283,000
Over-the-counter		596,000		443,000		782,000		745,000
Contract manufacturing		260,000		131,000		599,000		248,000
Physician’s office		3,000		1,000		6,000		5,000
Total	$	1,636,000	$	1,567,000	$	3,444,000	$	3,281,000