Note 7 - Inventories - Inventories (Details) - USD ($)	Jun. 26, 2021	Dec. 26, 2020
Raw materials	$ 1,363,413	$ 752,760
Work in process	2,203,222	2,800,226
Finished goods	858,955	592,640
Total inventory	4,425,590	4,145,626
Reserve for obsolescence	(436,155)	(436,155)
Inventories, net	$ 3,989,435	$ 3,709,471

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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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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