Segment Reporting and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting and Geographic Information

Schedule of sales by end-market

	For the year ended December 31,
	2023		2022		2021
	(in thousands)
Sales by end-market
Semiconductor	$	412,724	$	369,369	$	247,051
Compound Semiconductor		87,258		121,194		106,972
Data Storage		88,473		87,544		168,760
Scientific & Other		77,980		68,030		60,494
Total	$	666,435	$	646,137	$	583,277

Schedule of sales by geographic region

	Net Sales to Unaffiliated Customers						Long-lived Tangible Assets
	2023		2022		2021		2023		2022		2021
	(in thousands)
United States	$	162,790	$	197,433	$	217,209	$	117,594	$	106,550	$	99,220
EMEA(1)		76,697		87,837		55,129		219		60		94
China		217,942		123,703		105,998		182		70		67
Rest of APAC		208,693		235,735		204,633		464		601		362
Rest of World		313		1,429		308		—		—		—
Total	$	666,435	$	646,137	$	583,277	$	118,459	$	107,281	$	99,743

(1) EMEA consists of Europe, the Middle East, and Africa