Condensed Consolidated Statements Of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Condensed Consolidated Statements Of Operations (Unaudited)
Sales, net	$ 20,069	$ 11,917	$ 57,786	$ 30,612
Expenses
Cost of products	13,663	9,676	41,282	25,175
Selling, general and administrative expenses	5,812	4,632	17,681	14,952
Total operating expenses	19,475	14,308	58,963	40,127
Operating income (loss)	594	(2,391)	(1,177)	(9,515)
Other (expense) income:
Net interest expense	(131)	(30)	(429)	(70)
Gain (Loss) on investments	(342)	76	(831)	(1,021)
Other expense	(31)	(57)	(83)	(66)
Total other expense, net	(504)	(11)	(1,343)	(1,157)
Income (loss) before income taxes	90	(2,402)	(2,520)	(10,672)
Provision for income tax	0	0	0	0
Net income (loss)	$ 90	$ (2,402)	$ (2,520)	$ (10,672)
Net income (loss) per share-basic	$ 0.03	$ (0.71)	$ (0.74)	$ (3.16)
Net income (loss) per share-diluted	$ 0.03	$ (0.71)	$ (0.74)	$ (3.16)
Weighted average shares outstanding-basic	3,411,813	3,390,097	3,404,395	3,377,911
Weighted average shares outstanding-diluted	3,445,022	3,390,097	3,404,395	3,377,911