Note 9 - Inventories - Inventories (Details) - USD ($)	Sep. 28, 2024	Dec. 30, 2023
Raw materials	$ 2,660,125	$ 2,861,333
Work in process	1,861,794	1,493,582
Finished goods	423,453	537,975
Total inventory	4,945,372	4,892,890
Reserve for obsolescence	(511,960)	(310,960)
Inventories, net	$ 4,433,412	$ 4,581,930

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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