Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Sales, net	$ 86,139	$ 76,592
Expenses
Cost of products	44,112	47,542
Gross margin	42,027	29,050
Selling, general, and administrative expenses:
Engineering and product development	10,570	7,841
Marketing and selling	7,553	6,206
General and administrative	7,917	7,175
Total selling, general and administrative expenses	26,040	21,222
Operating income	15,987	7,828
Other income (expense):
Net interest income (expense)	265	(266)
Gain on disposal of property, plant, and equipment	0	2
(Loss) on investments	0	(91)
Other (expense)	(135)	(98)
Total other income (expense)	130	(453)
Income before income taxes	16,117	7,375
Provision for income tax (expense) benefit	(2,581)	984
Net income	$ 13,536	$ 8,359
Net income per share-basic (in dollars per share)	$ 3.69	$ 2.35
Net income per share-diluted (in dollars per share)	$ 3.44	$ 2.25
Weighted average shares outstanding-basic (in shares)	3,672,239	3,553,303
Weighted average shares outstanding-diluted (in shares)	3,936,814	3,710,644