CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($)	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited)
Net sales	$ 67,929,087	$ 72,495,367
Cost of products sold	(51,732,988)	(56,997,668)
Gross margin	16,196,099	15,497,699
Product development expense	(1,359,797)	(1,401,199)
Selling and administrative expenses	(11,498,958)	(11,937,637)
Operating profit	3,337,344	2,158,863
Interest expense	(845,035)	(726,006)
Other income (expense)	10,354	(630,699)
Income before income taxes	2,502,663	802,158
Income tax expense	(555,091)	(194,845)
Net income	$ 1,947,572	$ 607,313
Earnings per share:
Basic	$ 0.31	$ 0.10
Diluted	0.31	0.10
Cash dividends per share:	$ 0.11	$ 0.11