XML 65 R54.htm IDEA: XBRL DOCUMENT
v3.22.4

Segment information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Segment information |
Segment information |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | US$’000 |  |  | US$’000 |  |  | US$’000 |
Revenue |  |  |  |  |  |  |  |  |
Trading and manufacturing |  |  | 9,619 |  |  |  | 9,476 |  |  |  | 11,877 |
Engineering |  |  | 11,769 |  |  |  | 3,881 |  |  |  | 5,522 |
|  |  | 21,388 |  |  |  | 13,357 |  |  |  | 17,399 |
Operating income / (loss) |  |  |  |  |  |  |  |  |  |  |  |
Trading and manufacturing |  |  | 140 |  |  |  | (488 | ) |  |  | (102 | )
Engineering |  |  | 846 |  |  |  | (1,027 | ) |  |  | (158 | )
Unallocated corporate expenses |  |  | (205 | ) |  |  | (186 | ) |  |  | (180 | )
|  |  | 781 |  |  |  | (1,701 | ) |  |  | (440 | )
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | US$’000 |  |  | US$’000 |  |  | US$’000 |
Depreciation: |  |  |  |  |  |  |  |  |
Trading and manufacturing |  |  | 32 |  |  |  | 39 |  |  |  | 54 |
Engineering |  |  | 6 |  |  |  | 10 |  |  |  | 15 |
|  |  | 38 |  |  |  | 49 |  |  |  | 69 |
Capital expenditures, gross |  |  |  |  |  |  |  |  |  |  |  |
Trading and manufacturing |  |  | 1 |  |  |  | 2 |  |  |  | 17 |
Engineering |  |  | 3 |  |  |  | 9 |  |  |  | 4 |
|  |  | 4 |  |  |  | 11 |  |  |  | 21 |
|  | December 31, |
|  | 2021 |  |  | 2020 |
|  | US$’000 |  |  | US$’000 |
Assets |  |  |  |  |  |
Trading and manufacturing |  |  | 7,969 |  |  |  | 7,877 |
Engineering |  |  | 13,281 |  |  |  | 12,218 |
|  |  | 21,250 |  |  |  | 20,095 |
Liabilities |  |  |  |  |  |  |  |
Trading and manufacturing |  |  | 3,428 |  |  |  | 2,645 |
Engineering |  |  | 3,021 |  |  |  | 2,987 |
|  |  | 6,449 |  |  |  | 5,632 |
Geographical analysis of revenue and assets |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
|  | US$’000 |  |  | US$’000 |  |  | US$’000 |
Revenue - |  |  |  |  |  |  |  |  |
The PRC |  |  | 13,217 |  |  |  | 5,072 |  |  |  | 6,886 |
Hong Kong |  |  | 7,937 |  |  |  | 8,024 |  |  |  | 10,169 |
Others |  |  | 234 |  |  |  | 261 |  |  |  | 344 |
|  |  | 21,388 |  |  |  | 13,357 |  |  |  | 17,399 |
|  | December 31, |
|  | 2021 |  |  | 2020 |
|  | US$’000 |  |  | US$’000 |
Hong Kong |  |  | 25 |  |  |  | 47 |
The PRC |  |  | 190 |  |  |  | 212 |
|  |  | 215 |  |  |  | 259 |
Major suppliers and customers |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Supplier A |  |  | 42 | % |  |  | 30 | % |  |  | 53 | %
Supplier B |  |  | 13 | % |  |  | 10 | % |  |  | 7 | %
Supplier C |  |  | 6 | % |  |  | 9 | % |  |  | 6 | %
Supplier D |  |  | 6 | % |  |  | 6 | % |  |  | 6 | %
Supplier E |  |  | 5 | % |  |  | 5 | % |  |  | - |
Supplier F |  |  | - |  |  |  | 12 | % |  |  | - |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Customer A |  |  | 15 | % |  |  | 9 | % |  |  | 19 | %
Customer B |  |  | - |  |  |  | 8 | % |  |  | - |
Customer C |  |  | - |  |  |  | 6 | % |  |  | 10 | %
Customer D |  |  | - |  |  |  | - |  |  |  | 5 | %

X
- References No definition available. + Details
Name: | clwt_ScheduleOfMajorSuppliersAndCustomers
Namespace Prefix: | clwt_
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 https://asc.fasb.org/extlink&oid=126901519&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 https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 + Details
Name: | us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock
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