XML 48 R31.htm IDEA: XBRL DOCUMENT
v3.20.4

REVENUE (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
REVENUE |
Schedule of disaggregation of revenue | Disaggregation of Revenue The following table presents our sales by product line, inclusive of both products and services, which includes certain reclassification to prior comparative periods to conform to our current year presentation: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31, | ​
​ |  | 2020 |  | 2019 |  | 2018 | ​
Semiconductor Equipment | ​ | $ | 611,864 | ​ | $ | 403,018 | ​ | $ | 533,770 | ​
Industrial and Medical | ​ |  | 313,646 | ​ |  | 245,992 | ​ |  | 185,122 | ​
Data Center Computing | ​ | ​ | 322,539 | ​ | ​ | 91,438 | ​ | ​ | — | ​
Telecom and Networking | ​ | ​ | 167,777 | ​ | ​ | 48,500 | ​ | ​ | — |
Total | ​ | $ | 1,415,826 | ​ | $ | 788,948 | ​ | $ | 718,892 | ​
​ The following table presents our sales by geographic region: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31, |
​ |  | 2020 |  | 2019 |  | 2018 |
North America | ​ | $ | 687,814 |  | 48.6 | % | $ | 373,634 |  | 47.4 | % | $ | 372,834 |  | 51.8 | %
Asia | ​ |  | 606,893 |  | 42.9 | ​ |  | 295,155 |  | 37.4 | ​ |  | 250,574 |  | 34.9 | ​
Europe | ​ |  | 117,990 |  | 8.3 | ​ |  | 119,427 |  | 15.1 | ​ |  | 94,793 |  | 13.2 | ​
Other | ​ |  | 3,129 |  | 0.2 | ​ |  | 732 |  | 0.1 | ​ |  | 691 |  | 0.1 | ​
Total | ​ | $ | 1,415,826 |  | 100.0 | % | $ | 788,948 |  | 100.0 | % | $ | 718,892 |  | 100.0 | %
​ The following table presents our net sales by extended warranty and service contracts recognized over time and our product and service revenue recognized at a point in time: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31,
​ |  | 2020 |  | 2019 |  | 2018
Product and service revenue recognized at point in time | ​ | $ | 1,414,982 | ​ | $ | 786,918 | ​ | $ | 715,055
Extended warranty and service contracts recognized over time | ​ |  | 844 | ​ |  | 2,030 | ​ |  | 3,837
Total | ​ | $ | 1,415,826 | ​ | $ | 788,948 | ​ | $ | 718,892

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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