Note 7 - Inventories - Inventories (Details) - USD ($)	Sep. 25, 2021	Dec. 26, 2020
Raw materials	$ 1,312,313	$ 752,760
Work in process	2,068,812	2,800,226
Finished goods	775,129	592,640
Total inventory	4,156,254	4,145,626
Reserve for obsolescence	(383,026)	(436,155)
Inventories, net	$ 3,773,228	$ 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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