SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Aug. 31, 2023

Accounting Policies [Abstract]

SCHEDULE OF NET INVENTORIES

Net inventories are approximately the following:

	August 31, 2023			May 31, 2023
Raw materials	$	1,454,000		$	1,677,000
Work in progress		793,000			869,000
Finished products		162,000			182,000
Total gross inventory		2,409,000			2,728,000
Inventory reserves		(532,000	)		(672,000	)
Net inventory	$	1,877,000		$	2,056,000

SUMMARY OF OPTIONS ACTIVITY

The following summary presents the options granted, exercised, expired, canceled and outstanding for the three months ended August 31, 2023:

	Option Shares			Weighted Average Exercise Price
Options Outstanding at May 31, 2023		2,342,616		$	3.52
Granted		68,000			1.18
Exercised		-			-
Cancelled or expired		(47,500	)		3.31
Options Outstanding at August 31, 2023		2,363,116		$	3.45

SCHEDULE OF DISAGGREGATION REVENUE

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

	Three Months Ended August 31,
	2023		2022
Clinical lab	$	1,289,000	$	1,146,000
Over-the-counter		303,000		213,000
Contract manufacturing		117,000		95,000
Physician’s office		4,000		183,000
Total	$	1,713,000	$	1,637,000