Note 5 - Inventories - Schedule of Inventory (Details) - USD ($)	Jun. 26, 2021	Sep. 26, 2020
Finished goods	$ 40,018	$ 75,289
Work in process	497,640	176,980
Raw materials	762,365	649,782
Total inventory, net	$ 1,300,023	$ 902,051

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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