CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Oct. 03, 2020	Sep. 28, 2019
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
Net sales	$ 65,805,558	$ 60,692,645	$ 179,964,582	$ 183,015,723
Cost of products sold	(51,065,536)	(45,754,911)	(139,374,508)	(139,243,164)
Gross margin	14,740,022	14,937,734	40,590,074	43,772,559
Product development expense	(903,023)	(825,425)	(2,434,638)	(5,240,004)
Selling and administrative expenses	(9,592,569)	(8,391,898)	(27,452,391)	(24,866,665)
Goodwill impairment loss	0	0	(4,002,548)	0
Restructuring costs	(8,618)	0	(287,234)	(2,651,877)
Operating profit	4,235,812	5,720,411	6,413,263	11,014,013
Interest expense	(647,066)	(420,377)	(2,081,283)	(974,536)
Other income	365,703	188,623	969,024	789,371
Income before income taxes	3,954,449	5,488,657	5,301,004	10,828,848
Income taxes	969,774	1,295,575	1,309,295	2,535,033
Net income	$ 2,984,675	$ 4,193,082	$ 3,991,709	$ 8,293,815
Earnings per Share:
Basic	$ 0.48	$ 0.67	$ 0.64	$ 1.33
Diluted	0.48	0.67	0.64	1.33
Cash dividends per share:	$ 0.11	$ 0.11	$ 0.33	$ 0.33