Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Sales, net	$ 20,179	$ 20,069	$ 58,664	$ 57,786
Expenses
Cost of products	12,343	13,663	36,993	41,282
Selling, general and administrative	5,225	5,812	16,052	17,681
Total operating expenses	17,568	19,475	53,045	58,963
Operating income (loss)	2,611	594	5,619	(1,177)
Other (expense) income:
Net interest expense	(1)	(131)	(281)	(429)
Gain on disposal of property, plant and equipment	0	0	2	0
Loss on investments	0	(342)	(91)	(831)
Other expense	(6)	(31)	(59)	(83)
Total other (expense), net	(7)	(504)	(429)	(1,343)
Income (loss) before income taxes	2,604	90	5,190	(2,520)
Provision for income tax (expense)	(247)	0	(488)	0
Net income (loss)	$ 2,357	$ 90	$ 4,702	$ (2,520)
Net income (loss) per share-basic: (in dollars per share)	$ 0.67	$ 0.03	$ 1.33	$ (0.74)
Net income (loss) per share-diluted: (in dollars per share)	$ 0.63	$ 0.03	$ 1.3	$ (0.74)
Weighted average shares outstanding-basic (in shares)	3,539,841	3,411,813	3,536,100	3,404,395
Weighted average shares outstanding-diluted (in shares)	3,751,073	3,445,022	3,623,241	3,404,395