Condensed Financial Statements: Schedule of Inventory, Current (Details) - USD ($)	Feb. 29, 2024	May 31, 2023
Details
Raw materials	$ 795,623	$ 673,453
Work-in-process	5,658,693	5,005,416
Finished goods	274,456	330,435
Inventory, Gross	6,728,772	6,009,304
Less allowance for obsolescence	51,000	68,000
Inventory, Net	$ 6,677,772	$ 5,941,304

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

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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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