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CONCENTRATION OF RISK (Tables)
6 Months Ended
Jun. 30, 2023
Risks and Uncertainties [Abstract]  
Revenues and Accounts Receivable From Our Largest Customers

Revenues and accounts receivable from the Company's largest customers were as follows (in thousands):

 

 

% of Total Revenue for the
 Three Months Ended June 30,

 

% of Total Revenue for the
 Six Months Ended June 30,

 

Accounts Receivable as of

 

Customer

 

2023

 

2022

 

2023

 

2022

 

June 30, 2023

 

A

 

36%

 

39%

 

33%

 

39%

 

$

10,776

 

B

 

22%

 

30%

 

24%

 

29%

 

$

35,184

 

C

 

14%

 

6%

 

11%

 

4%

 

$

21,104

 

D

 

13%

 

14%

 

17%

 

15%

 

$

22,518

 

Revenues by Geographic Area

Revenues from outside of North America represented approximately 98% and 97% for the three months ended June 30, 2023 and 2022, respectively, and 97% for both six-month periods ended June 30, 2023 and 2022. Revenues by geographic area are as follows (in thousands):

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

Country

 

2023

 

 

2022

 

 

2023

 

 

2022

 

South Korea

 

$

82,029

 

 

$

79,096

 

 

$

148,089

 

 

$

168,783

 

China

 

 

57,520

 

 

 

51,180

 

 

 

114,947

 

 

 

106,580

 

Japan

 

 

1,509

 

 

 

1,392

 

 

 

3,156

 

 

 

2,445

 

Other non-U.S. locations

 

 

1,978

 

 

 

715

 

 

 

3,315

 

 

 

1,015

 

Total non-U.S. locations

 

 

143,036

 

 

 

132,383

 

 

 

269,507

 

 

 

278,823

 

United States

 

 

3,529

 

 

 

4,178

 

 

 

7,525

 

 

 

8,208

 

Total revenue

 

$

146,565

 

 

$

136,561

 

 

$

277,032

 

 

$

287,031

 

Long-Lived Assets (Net) by Geographic Area

Long-lived assets (net), by geographic area are as follows (in thousands):

 

 

 

June 30, 2023

 

 

December 31, 2022

 

United States

 

$

117,196

 

 

$

117,255

 

Ireland

 

 

25,894

 

 

 

20,270

 

Other

 

 

14,476

 

 

 

5,920

 

Total long-lived assets

 

$

157,566

 

 

$

143,445