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CONCENTRATION OF RISK | 9 Months Ended
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Sep. 30, 2025
Risks and Uncertainties [Abstract] |
CONCENTRATION OF RISK | 19. CONCENTRATION OF RISK: Revenues and accounts receivable from the Company's largest customers were as follows (in thousands):
|  | % of Total Revenue for the Three Months Ended September 30, |  | % of Total Revenue for the Nine Months Ended September 30, |  | Accounts Receivable as of |
Customer |  | 2025 |  | 2024 |  | 2025 |  | 2024 |  | September 30, 2025 |
A |  | 54% |  | 41% |  | 42% |  | 43% |  | $ | 15,429 |
B |  | 25% |  | 24% |  | 21% |  | 24% |  | $ | 29,015 |
C |  | 8% |  | 17% |  | 17% |  | 16% |  | $ | 1,922 |
Revenues from outside of North America represented approximately 97% and 98% of consolidated revenue for the three months ended September 30, 2025 and 2024, respectively, and 96% and 98% for the nine months ended September 30, 2025 and 2024, respectively. Revenues by geographic area are as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
Country |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
South Korea |  | $ | 103,069 |  |  | $ | 95,105 |  |  | $ | 276,924 |  |  | $ | 305,697 |
China |  |  | 32,161 |  |  |  | 61,366 |  |  |  | 179,173 |  |  |  | 164,072 |
Japan |  |  | 383 |  |  |  | 503 |  |  |  | 2,497 |  |  |  | 3,013 |
Other non-U.S. locations |  |  | 223 |  |  |  | 975 |  |  |  | 1,211 |  |  |  | 2,913 |
Total non-U.S. locations |  |  | 135,836 |  |  |  | 157,949 |  |  |  | 459,805 |  |  |  | 475,695 |
United States |  |  | 3,777 |  |  |  | 3,678 |  |  |  | 17,879 |  |  |  | 9,696 |
Total revenue |  | $ | 139,613 |  |  | $ | 161,627 |  |  | $ | 477,684 |  |  | $ | 485,391 |
The Company attributes revenue to different geographic areas on the basis of the location of the customer. Property and equipment, net by geographic area are as follows (in thousands):
|  | September 30, 2025 |  |  | December 31, 2024 |
United States |  | $ | 121,279 |  |  | $ | 117,496 |
Ireland |  |  | 73,159 |  |  |  | 63,346 |
Other |  |  | 15,364 |  |  |  | 14,397 |
Total property and equipment, net |  | $ | 209,802 |  |  | $ | 195,239 |
Substantially all chemical materials were purchased from one supplier. See Note 13.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 3A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482836/275-10-55-3A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-2A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/275/tableOfContent + Details
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