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Note 8 - Inventories - Inventories (Details) - USD ($)	Mar. 29, 2025	Dec. 28, 2024
Raw materials	$ 2,561,513	$ 2,625,305
Work in process	2,537,536	1,880,396
Finished goods	272,212	343,722
Gross inventory	5,371,221	4,849,423
Reserve for obsolescence	(558,428)	(518,357)
Inventories, net	$ 4,812,833	$ 4,331,066

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
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X

- Definition

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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- Definition

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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