CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues	$ 5,779	$ 3,508	$ 11,570	$ 7,232
Costs and expenses
Cost of sales	3,530	2,360	7,290	4,442
Selling, general and administrative	1,268	1,569	2,729	3,306
Total costs and expenses	4,798	3,929	10,019	7,748
Operating income (loss)	981	(421)	1,551	(516)
Interest (income) expense, net	(5)	2	(13)	4
Other (income) expense, net	(3)	7	(4)	7
(Gain) loss on sale of property, plant and equipment	3	(1)	3	(2)
Income (loss) before income tax expense	986	(429)	1,565	(525)
Income tax expense	2	4	5	5
Net income (loss)	$ 984	$ (433)	$ 1,560	$ (530)
Net income (loss) per share:
Basic	$ 0.08	$ (0.04)	$ 0.13	$ (0.04)
Fully diluted	$ 0.08	$ (0.04)	$ 0.13	$ (0.04)
Weighted-average shares outstanding:
Basic	12,188	11,888	12,079	11,888
Fully diluted	12,278	11,888	12,147	11,888