Segment Reporting (Tables)

12 Months Ended

Jan. 31, 2022

Segment Reporting [Abstract]

Company's Revenue by Geographic Region Based on Bill-to Location

The following table sets forth the Company’s revenue by geographic region based on bill-to location for the periods indicated.

	Year Ended January 31,
	2022		2021		2020
	(in thousands)
Taiwan	$	209,044	$	139,327	$	137,946
Asia Pacific		81,480		57,270		66,867
Europe		17,823		9,415		11,134
North America other than United States		18,191		10,304		8,402
United States		5,318		6,674		4,383
Total revenue	$	331,856	$	222,990	$	228,732