Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Income Statement [Abstract]
Product sales	$ 4,865,708	$ 6,511,571
Cost of product sales	3,921,568	4,961,361
Gross Margin	944,140	1,550,210
Selling, general, and administrative expense	908,471	928,590
Income from operations	35,669	621,620
Other income (expense), net	(4,310)	(19,966)
Income before taxes	31,359	601,654
Income tax provision	456
Net income	$ 30,903	$ 601,654
Net income per basic common share	$ 0.00	$ 0.05
Weighted average number of basic common shares outstanding	13,584,376	13,207,436
Net income per diluted common share	$ 0.00	$ 0.05
Weighted average number of diluted common shares outstanding	14,264,890	13,247,131