CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE (LOSS) INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE (LOSS) INCOME
Revenues	$ 122,722	$ 101,537	$ 237,507	$ 203,214
Cost of goods sold	82,948	70,320	164,273	141,929
Gross profit	39,774	31,217	73,234	61,285
Operating costs and expenses:
Selling	5,808	4,396	10,839	8,614
General and administrative	12,595	11,181	24,091	21,929
Engineering and development	9,791	7,240	19,177	14,199
Business development	1,417	155	2,265	174
Amortization of intangible assets	2,645	1,511	5,079	3,023
Total operating costs and expenses	32,256	24,483	61,451	47,939
Operating income	7,518	6,734	11,783	13,346
Other expense, net:
Interest expense	1,525	807	2,563	1,668
Other (income) expense, net	(279)	(10)	(234)	(129)
Total other expense, net	1,246	797	2,329	1,539
Income before income taxes	6,272	5,937	9,454	11,807
Income tax (provision) benefit	(1,691)	(1,303)	(2,370)	4,754
Net income	$ 4,581	$ 4,634	$ 7,084	$ 16,561
Basic earnings per share:
Earnings per share	$ 0.30	$ 0.32	$ 0.47	$ 1.15
Basic weighted average common shares	15,355	14,406	15,226	14,356
Diluted earnings per share:
Earnings per share	$ 0.29	$ 0.32	$ 0.45	$ 1.14
Diluted weighted average common shares	15,932	14,494	15,752	14,467
Net income	$ 4,581	$ 4,634	$ 7,084	$ 16,561
Other comprehensive (loss) income:
Foreign currency translation adjustment	(8,699)	955	(9,932)	(3,052)
Gain on derivatives	974	56	3,576	764
Comprehensive (loss) income	$ (3,144)	$ 5,645	$ 728	$ 14,273