Condensed Consolidated Statements of Operations - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Condensed Consolidated Statements of Operations
Sales, net	$ 45,364,000	$ 44,139,000
Expenses
Cost of products	29,103,000	26,109,000
Selling, general and administrative	17,457,000	17,036,000
Total expenses	46,560,000	43,145,000
Operating (loss) income	(1,196,000)	994,000
Other (expense) income:
Net interest (expense)	53,000	8,000
Gain on disposal of property, plant, and equipment	40,000	0
(Loss) on investment in securities	(219,000)	(620,000)
Other (expense)	(86,000)	(169,000)
Total other (expense)	(318,000)	(797,000)
(Loss) income before income taxes	(1,514,000)	197,000
Income tax (expense)	(187,000)	(3,000)
Net (loss) income	$ (1,701,000)	$ 194,000
Net (loss) income per share-basic	$ (0.11)	$ 0.02
Net (loss) income per share-diluted	$ (0.11)	$ 0.02
Weighted average shares outstanding-basic	14,941	12,553
Weighted average shares outstanding-diluted	14,941	12,561