SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Nov. 30, 2023

Accounting Policies [Abstract]

SCHEDULE OF NET INVENTORIES

Net inventories are approximately the following:

	November 30, 2023			May 31, 2023
Raw materials	$	1,377,000		$	1,677,000
Work in progress		781,000			869,000
Finished products		181,000			182,000
Total gross inventory		2,339,000			2,728,000
Inventory reserves		(498,000	)		(672,000	)
Net inventory	$	1,841,000		$	2,056,000

SUMMARY OF OPTIONS ACTIVITY

The following summary presents the options granted, exercised, expired, canceled and outstanding for the six months ended November 30, 2023:

	Option Shares			Weighted Average Exercise Price
Options Outstanding at May 31, 2023		2,342,616		$	3.52
Granted		86,000			1.09
Exercised		-			-
Cancelled or expired		(148,500	)		4.90
Options Outstanding at November 30, 2023		2,280,116		$	3.33

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,
	2023		2022		2023		2022
Clinical lab	$	992,000	$	902,000	$	2,283,000	$	2,048,000
Over-the-counter		443,000		466,000		745,000		679,000
Contract manufacturing		131,000		52,000		248,000		147,000
Physician’s office		1,000		62,000		5,000		245,000
Total	$	1,567,000	$	1,482,000	$	3,281,000	$	3,119,000