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Segment Reporting (Tables)
 6 Months Ended
Jul. 31, 2020
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 July 31,

 

 

Six Months Ended July 31,

 

 

 

2020

 

 

2019

 

 

2020

 

 

2019

 

 

 

(in thousands)

 

Taiwan

 

$

27,313

 

 

$

30,981

 

 

$

61,773

 

 

$

58,581

 

Asia Pacific

 

 

14,965

 

 

 

17,246

 

 

 

28,993

 

 

 

31,734

 

Europe

 

 

2,633

 

 

 

4,101

 

 

 

4,886

 

 

 

7,584

 

North America other than United States

 

 

3,343

 

 

 

3,001

 

 

 

6,016

 

 

 

3,884

 

United States

 

 

1,859

 

 

 

1,081

 

 

 

3,090

 

 

 

1,815

 

Total revenue

 

$

50,113

 

 

$

56,410

 

 

$

104,758

 

 

$

103,598