CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME
Revenues	$ 145,549	$ 114,785
Cost of goods sold	99,715	81,325
Gross profit	45,834	33,460
Operating costs and expenses:
Selling	6,032	5,031
General and administrative	14,820	11,496
Engineering and development	10,387	9,385
Business development	197	848
Amortization of intangible assets	3,009	2,434
Total operating costs and expenses	34,445	29,194
Operating income	11,389	4,266
Other expense, net:
Interest expense	2,983	1,038
Other expense, net	187	45
Total other expense, net	3,170	1,083
Income before income taxes	8,219	3,183
Income tax provision	(1,904)	(679)
Net income	$ 6,315	$ 2,504
Basic earnings per share:
Earnings per share	$ 0.40	$ 0.17
Basic weighted average common shares	15,872	15,096
Diluted earnings per share:
Earnings per share	$ 0.39	$ 0.16
Diluted weighted average common shares	16,137	15,599
Net income	$ 6,315	$ 2,504
Other comprehensive income:
Foreign currency translation adjustment	1,354	(1,233)
(Loss) gain on derivatives, net of tax	(1,133)	2,601
Comprehensive income	$ 6,536	$ 3,872