CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
Net sales	$ 61,247,592	$ 39,507,800	$ 123,021,025	$ 91,353,901
Cost of products sold	(47,270,990)	(29,188,182)	(93,535,153)	(68,111,738)
Gross margin	13,976,602	10,319,618	29,485,872	23,242,163
Product development expense	(1,088,380)	(917,513)	(2,105,942)	(1,839,464)
Selling and administrative expenses	(9,375,537)	(6,545,525)	(18,319,931)	(14,752,316)
Operating profit	3,512,685	2,856,580	9,059,999	6,650,383
Interest expense	(434,147)	(454,915)	(961,291)	(1,075,663)
Other income	525,124	303,741	2,951,873	603,322
Income from continuing operations before income taxes	3,603,662	2,705,406	11,050,581	6,178,042
Income taxes	(848,302)	(624,949)	(2,601,424)	(1,455,033)
Net income from continuing operations	2,755,360	2,080,457	8,449,157	4,723,009
Discontinued Operations (see note B )
Gain (loss) from operations of discontinued units	1,128,286	(5,137,249)	1,339,467	(4,831,485)
Loss on classification as held for sale	(10,583,078)	0	(10,583,078)	0
Income tax benefit	2,225,658	1,168,011	2,175,946	1,115,512
Loss on discontinued operations	(7,229,134)	(3,969,238)	(7,067,665)	(3,715,973)
Net (loss) income	$ (4,473,774)	$ (1,888,781)	$ 1,381,491	$ 1,007,036
Earnings per share from continuing operations:
Basic	$ 0.44	$ 0.33	$ 1.35	$ 0.76
Diluted	0.44	0.33	1.35	0.76
Basic	(1.15)	(0.64)	(1.13)	(0.60)
Diluted	(1.15)	(0.64)	(1.13)	(0.60)
Total (loss) earnings per share:
Basic	(0.71)	(0.30)	0.22	0.16
Diluted	(0.71)	(0.30)	0.22	0.16
Cash dividends per share:	$ 0.11	$ 0.11	$ 0.22	$ 0.22