XML 71 R61.htm IDEA: XBRL DOCUMENT
v3.21.4

Segment Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Segment Reporting [Abstract] |
Schedule of assets and revenues major geographic regions |
|  | Year ended December 31,
Geographic regions |  | 2018 |  | 2019 |  | 2020
Amount |  | % |  | Amount |  | % |  | Amount |  | %
PRC |  | 146,235 |  | 84 | % |  | 49,346 |  | 64 | % |  | 66,160 |  | 62 | %
India |  | — |  | 0 | % |  | 4,988 |  | 7 | % |  | 8,570 |  | 8 | %
Russia |  | 10,869 |  | 6 | % |  | 3,673 |  | 5 | % |  | 5,671 |  | 5 | %
Other countries |  | 236 |  | 0 | % |  | 7,430 |  | 10 | % |  | 2,254 |  | 2 | %
Asia & Pacific |  | 157,340 |  | 90 | % |  | 65,437 |  | 86 | % |  | 82,655 |  | 77 | %
United Kingdom |  | 595 |  | 0 | % |  | 668 |  | 1 | % |  | 11,544 |  | 11 | %
Netherlands |  | 1,621 |  | 1 | % |  | 1,384 |  | 2 | % |  | 5,326 |  | 5 | %
Other countries |  | 14,352 |  | 9 | % |  | 8,627 |  | 11 | % |  | 7,444 |  | 7 | %
Europe |  | 16,568 |  | 10 | % |  | 10,679 |  | 14 | % |  | 24,314 |  | 23 | %
Other |  | 327 |  | 0 | % |  | 318 |  | 0 | % |  | 549 |  | 0 | %
Total |  | 174,235 |  | 100 | % |  | 76,434 |  | 100 | % |  | 107,518 |  | 100 | %

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=123351226&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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