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Schedule of Inventory (Details) - USD ($)
Dec. 26, 2020
Dec. 28, 2019
Accounting Policies [Abstract]    
Raw materials $ 3,609,710 $ 2,630,156
Work-in-process 565,986 711,475
Finished goods 280,060 427,065
Total $ 4,455,756 $ 3,768,696