XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Net income per ordinary share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Net Income Per Ordinary Share Tables |
Basic and diluted number of shares |
| 2017 | 2016 | 2015
| Number of shares
Weighted average number of ordinary shares for the purposes of basic and diluted net income per share | 2,061,909 | 2,061,909 | 2,063,738

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

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration