XML 100 R89.htm IDEA: XBRL DOCUMENT
v3.4.0.3

22. Segment information (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Revenue | $ 18,822 | $ 18,602 | $ 21,645
Geographical analysis of long-lived assets | 811 | 889 |
The PRC |  |  |
Revenue | 10,950 | 12,392 | 15,867
Geographical analysis of long-lived assets | 279 | 321 |
Hong Kong |  |  |
Revenue | 6,177 | 5,919 | 5,511
Geographical analysis of long-lived assets | 532 | 568 |
Others |  |  |
Revenue | $ 1,695 | $ 291 | $ 267

X
- References No definition available. + Details
Name: | CLWT_GeographicalAnalysisOfLonglivedAssets
Namespace Prefix: | CLWT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=CLWT_ThePRCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=CLWT_HongKongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=CLWT_OtherGeographicAreaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |