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CONCENTRATION OF RISK (Tables)
3 Months Ended
Mar. 31, 2026
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 March 31,

 

Accounts Receivable as of

 

Customer

 

2026

 

2025

 

March 31, 2026

 

A

 

49%

 

36%

 

$

12,300

 

B

 

25%

 

20%

 

$

36,939

 

C

 

13%

 

23%

 

$

5,528

 

Revenues by Geographic Area

Revenues from outside of North America represented approximately 97% and 96% for the three months ended March 31, 2026 and 2025, respectively. Revenues by geographic area are as follows (in thousands):

 

 

Three Months Ended March 31,

 

Country

 

2026

 

 

2025

 

South Korea

 

$

93,169

 

 

$

87,333

 

China

 

 

43,644

 

 

 

71,092

 

Japan

 

 

371

 

 

 

413

 

Other non-U.S. locations

 

 

293

 

 

 

454

 

Total non-U.S. locations

 

 

137,477

 

 

 

159,292

 

United States

 

 

4,734

 

 

 

6,985

 

Total revenue

 

$

142,211

 

 

$

166,277

 

Long-Lived Assets (Net) by Geographic Area

Property and equipment, net by geographic area are as follows (in thousands):

 

 

 

March 31, 2026

 

 

December 31, 2025

 

United States

 

$

118,749

 

 

$

120,835

 

Ireland

 

 

72,665

 

 

 

73,838

 

Other

 

 

21,732

 

 

 

20,274

 

Total property and equipment, net

 

$

213,146

 

 

$

214,947