CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenues	$ 15,343	$ 12,977
Costs and expenses
Cost of sales	10,493	8,292
Selling, general and administrative	6,460	6,873
Right-of-use operating lease asset impairment	0	820
Total costs and expenses	16,953	15,985
Operating loss	(1,610)	(3,008)
Interest (income) expense, net	(7)	15
Other income, net	(50)	(55)
Gain on sale of property, plant and equipment	(4)	(40)
Loss before income tax expense	(1,549)	(2,928)
Income tax expense	5	0
Net loss	$ (1,554)	$ (2,928)
Net loss per share:
Basic	$ (0.13)	$ (0.24)
Fully diluted	$ (0.13)	$ (0.24)
Weighted-average shares outstanding:
Basic	11,888	11,981
Fully diluted	11,888	11,981