XML 50 R38.htm IDEA: XBRL DOCUMENT
v3.21.2

CONCENTRATION OF RISK (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
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 September 30, |  | % of Total Revenue for the Nine Months Ended September 30, |  | Accounts Receivable as of |
Customer |  | 2021 |  | 2020 |  | 2021 |  | 2020 |  | September 30, 2021 |
A |  | 50% |  | 41% |  | 46% |  | 38% |  | $ | 10,129 |
B |  | 27% |  | 28% |  | 25% |  | 28% |  | $ | 23,786 |
C |  | 7% |  | 14% |  | 14% |  | 17% |  | $ | 33,520 |
Revenues by Geographic Area | Revenues by geographic area are as follows (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
Country |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
South Korea |  | $ | 95,741 |  |  | $ | 66,667 |  |  | $ | 250,040 |  |  | $ | 167,154 |
China |  |  | 41,323 |  |  |  | 43,569 |  |  |  | 138,135 |  |  |  | 101,911 |
Japan |  |  | 1,911 |  |  |  | 2,279 |  |  |  | 5,227 |  |  |  | 6,263 |
Other non-U.S. locations |  |  | 537 |  |  |  | 663 |  |  |  | 2,257 |  |  |  | 1,475 |
Total non-U.S. locations |  |  | 139,512 |  |  |  | 113,178 |  |  |  | 395,659 |  |  |  | 276,803 |
United States |  |  | 4,106 |  |  |  | 3,901 |  |  |  | 11,619 |  |  |  | 10,521 |
Total revenue |  | $ | 143,618 |  |  | $ | 117,079 |  |  | $ | 407,278 |  |  | $ | 287,324 |
Long-Lived Assets (Net) by Geographic Area | Long-lived assets (net), by geographic area are as follows (in thousands):
|  | September 30, 2021 |  |  | December 31, 2020 |
United States |  | $ | 109,461 |  |  | $ | 93,230 |
Other |  |  | 9,527 |  |  |  | 8,883 |
Total long-lived assets |  | $ | 118,988 |  |  | $ | 102,113 |

X
- References No definition available. + Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 + Details
Name: | us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
Name: | us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6327-108592 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6442-108592 + Details
Name: | us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration