CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenues	$ 5,791	$ 3,724
Costs and expenses
Cost of sales	3,761	2,081
Selling, general and administrative	1,460	1,738
Total costs and expenses	5,221	3,819
Operating income (loss)	570	(95)
Interest (income) expense, net	(8)	2
Other income, net	(1)	0
Gain on sale of property, plant and equipment	0	(1)
Income (loss) before income tax expense	579	(96)
Income tax expense	3	1
Net income (loss)	$ 576	$ (97)
Net income (loss) per share:
Basic	$ 0.05	$ (0.01)
Fully diluted	$ 0.05	$ (0.01)
Weighted-average shares outstanding:
Basic	11,971	11,888
Fully diluted	12,017	11,888