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CONCENTRATION OF RISK | 12 Months Ended
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Dec. 31, 2023
Risks and Uncertainties [Abstract] |
CONCENTRATION OF RISK | 19. CONCENTRATION OF RISK: Revenues and accounts receivable from the Company's largest customers for the years ended December 31, 2023, 2022 and 2021 were as follows (in thousands):
|  | 2023 |  |  | 2022 |  |  | 2021 |
Customer |  | % of Total Revenue |  | Accounts Receivable |  |  | % of Total Revenue |  | Accounts Receivable |  |  | % of Total Revenue |  | Accounts Receivable |
A |  | 36% |  | $ | 38,105 |  |  | 41% |  | $ | 11,425 |  |  | 44% |  | $ | 10,850 |
B |  | 23% |  |  | 30,142 |  |  | 25% |  |  | 24,440 |  |  | 26% |  |  | 45,867 |
C |  | 17% |  |  | 38,529 |  |  | 16% |  |  | 22,291 |  |  | 14% |  |  | 18,557 |
Revenues from outside of North America represented approximately 98%, 97%, and 97% of consolidated revenue for each of the years ended December 31, 2023, 2022 and 2021, respectively. Revenues by geographic area are as follows (in thousands):
|  | Year Ended December 31, |
Country |  | 2023 |  |  | 2022 |  |  | 2021 |
South Korea |  | $ | 322,509 |  |  | $ | 360,640 |  |  | $ | 334,835 |
China |  |  | 229,727 |  |  |  | 230,582 |  |  |  | 192,079 |
Japan |  |  | 6,971 |  |  |  | 5,579 |  |  |  | 7,358 |
Other non-U.S. locations |  |  | 4,411 |  |  |  | 3,829 |  |  |  | 3,137 |
Total non-U.S. locations |  |  | 563,618 |  |  |  | 600,630 |  |  |  | 537,409 |
United States |  |  | 12,811 |  |  |  | 15,989 |  |  |  | 16,116 |
Total revenue |  | $ | 576,429 |  |  | $ | 616,619 |  |  | $ | 553,525 |
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):
|  | December 31, |
Country |  | 2023 |  |  | 2022 |
United States |  | $ | 118,250 |  |  | $ | 117,255 |
Ireland |  |  | 42,203 |  |  |  | 20,270 |
Other |  |  | 14,697 |  |  |  | 5,920 |
Total long-lived assets |  | $ | 175,150 |  |  | $ | 143,445 |
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://fasb.org/us-gaap/role/ref/legacyRef -Topic 275 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//275/tableOfContent + Details
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