SCHEDULE OF NET INVENTORIES (Details) - USD ($)	Aug. 31, 2025	May 31, 2025
Accounting Policies [Abstract]
Raw materials	$ 976,000	$ 1,071,000
Work in progress	816,000	743,000
Finished products	159,000	147,000
Total gross inventory	1,951,000	1,961,000
Inventory reserves	(478,000)	(471,000)
Net inventory	$ 1,473,000	$ 1,490,000

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount of valuation reserve for inventory.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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