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Segment Reporting (Tables)
 3 Months Ended
Apr. 30, 2021
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:

 

 

 

Three Months Ended April 30,

 

 

 

 

2021

 

 

2020

 

 

 

 

(in thousands)

Taiwan

 

$

44,587

 

 

$

34,460

 

 

Asia Pacific

 

 

18,637

 

 

 

14,028

 

 

Europe

 

 

3,018

 

 

 

2,253

 

 

North America other than United States

 

 

2,690

 

 

 

2,673

 

 

United States

 

 

1,201

 

 

 

1,231

 

 

Total revenue

 

$

70,133

 

 

$

54,645