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v3.24.1.u1

Commitments and contingencies (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($)
Commitments and contingencies |
Balance, December 31, 2022 | $ 0
Net income (loss) | 0
Balance, December 31, 2023 | $ 0

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Balance Type: | credit
Period Type: | instant

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Namespace Prefix: | clwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration