XML 132 R120.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Subsequent event (Details Narrative) | Apr. 22, 2022 CNY (¥)
--- | ---
ZHEJIANG TIANLAN | Subsequent Event [Member] |
Proposed dividend | ¥ 9,082,000

X
- References No definition available. + Details
Name: | clwt_ProposedDividend
Namespace Prefix: | clwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |