Segment Reporting (Tables)

9 Months Ended

Oct. 31, 2023

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. Certain prior quarter amounts of revenue by geographic region have been adjusted to reflect the appropriate bill-to location for the related revenue. These adjustments did not impact the total revenues in any of the periods presented.

	Three Months Ended October 31,				Nine Months Ended October 31,
	2023		2022		2023		2022
	(in thousands)
Taiwan	$	27,179	$	51,306	$	91,295	$	150,595
Asia Pacific		14,300		15,309		45,378		54,724
Europe		2,869		5,310		9,058		18,472
North America other than United States		5,032		8,870		24,407		21,930
United States		1,215		2,301		4,720		8,564
Total revenue	$	50,595	$	83,096	$	174,858	$	254,285