CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME
Revenues	$ 125,213	$ 145,319	$ 407,958	$ 437,637
Cost of goods sold	85,949	97,821	280,641	298,328
Gross profit	39,264	47,498	127,317	139,309
Operating costs and expenses:
Selling	6,323	6,021	19,283	18,354
General and administrative	13,856	14,642	42,438	43,624
Engineering and development	9,056	10,702	30,416	31,041
Business development	278	1,194	2,204	1,791
Amortization of intangible assets	3,135	3,075	9,381	9,226
Total operating costs and expenses	32,648	35,634	103,722	104,036
Operating income	6,616	11,864	23,595	35,273
Other expense, net:
Interest expense	3,435	3,164	10,207	9,309
Other expense, net	468	42	405	187
Total other expense, net	3,903	3,206	10,612	9,496
Income before income taxes	2,713	8,658	12,983	25,777
Income tax provision	(612)	(1,992)	(2,830)	(6,027)
Net income	$ 2,101	$ 6,666	$ 10,153	$ 19,750
Basic earnings per share:
Earnings per share	$ 0.13	$ 0.42	$ 0.61	$ 1.24
Basic weighted average common shares	16,574	15,979	16,513	15,940
Diluted earnings per share:
Earnings per share	$ 0.13	$ 0.41	$ 0.61	$ 1.22
Diluted weighted average common shares	16,605	16,237	16,581	16,198
Net income	$ 2,101	$ 6,666	$ 10,153	$ 19,750
Other comprehensive income (loss):
Foreign currency translation adjustment	5,821	(2,923)	235	(1,995)
Loss on derivatives, net of tax	(1,379)	(170)	(1,968)	(596)
Comprehensive income	$ 6,543	$ 3,573	$ 8,420	$ 17,159