CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)
Sales, net	$ 12,626,000	$ 12,760,000	$ 32,526,000	$ 33,586,000
Expenses
Cost of products	8,488,000	7,448,000	20,914,000	20,316,000
Selling, general and administrative	4,508,000	4,158,000	13,034,000	13,265,000
Total expenses	12,996,000	11,606,000	33,948,000	33,581,000
Operating (loss) income	(370,000)	1,154,000	(1,422,000)	5,000
Other (expense) income:
Net interest (expense) income	(19,000)	(6,000)	(37,000)	(4,000)
Loss on disposal of property, plant and equipment	(6,000)	0	(6,000)	0
(Loss) gain on investment in securities	(2,157,000)	(291,000)	310,000	(797,000)
Other expense	(14,000)	(65,000)	(59,000)	(144,000)
Total other (expense) income	(2,196,000)	(362,000)	208,000	(945,000)
(Loss) income before income taxes	(2,566,000)	792,000	(1,214,000)	(940,000)
Income tax expense	0	(2,000)	(184,000)	(30,000)
Net (loss) income	$ (2,566,000)	$ 790,000	$ (1,398,000)	$ (970,000)
Net (loss) income per share-basic:	$ (0.15)	$ 0.06	$ (0.10)	$ (0.08)
Net (loss) income per share-diluted:	$ (0.15)	$ 0.06	$ (0.10)	$ (0.08)
Weighted average shares outstanding-basic	16,795,356	12,505,096	14,307,847	12,518,587
Weighted average shares outstanding-diluted	16,795,356	12,517,493	14,307,847	12,518,587