Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 25, 2021	Sep. 26, 2020
Product sales	$ 5,514,872	$ 4,452,387	$ 16,242,762	$ 16,721,973
Total Revenues	5,514,872	4,452,387	16,242,762	16,721,973
Cost of product sales	4,375,676	3,514,813	12,807,844	13,050,860
Gross Margin	1,139,196	937,574	3,434,918	3,671,113
Selling, general and administrative expense	1,227,258	684,836	3,234,344	2,466,198
Operating income (loss)	(88,062)	252,738	200,574	1,204,915
Interest income (expense), net	(2,633)	(21,263)	(32,776)	(87,004)
Other income (expense), net	18,665	(3)	30,728	14,446
Net income (loss) before income tax expense	(72,030)	231,472	198,526	1,132,359
Income tax provision (benefit)	(2,799,997)	456	(2,799,541)	456
Net income	$ 2,727,967	$ 231,016	$ 2,998,067	$ 1,131,901
Net income per basic common share (in dollars per share)	$ 0.19	$ 0.02	$ 0.21	$ 0.09
Weighted average number of basic common shares outstanding (in shares)	14,324,136	13,288,652	13,963,563	13,234,508
Net income per diluted common share (in dollars per share)	$ 0.18	$ 0.02	$ 0.21	$ 0.09
Weighted average number of diluted common shares outstanding (in shares)	14,811,259	13,456,486	14,542,356	13,320,915