Note 3 - Inventories - Inventories (Details) - USD ($)	Dec. 31, 2022	Dec. 25, 2021
Raw materials	$ 2,645,442	$ 2,080,778
Work in process	1,863,512	1,309,572
Finished goods	525,872	805,159
Gross Inventory	5,034,826	4,195,509
Reserve for obsolescence	(158,925)	(283,907)
Total	$ 4,875,901	$ 3,911,602

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.

+ References

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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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