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7. Prepayments and other current assets (Tables) | 12 Months Ended
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Dec. 31, 2012
Cost and estimated earnings in excess of billings |
|  | 2012 |  |  | 2011 |
|  | US$’000 |  |  | US$’000 |
Contracts costs incurred plus estimated earnings |  |  | 3,785 |  |  |  | 8,604 |
Less: Progress billings |  |  | (3,684 | ) |  |  | (8,098 | )
Cost and estimated earnings in excess of billings |  |  | 101 |  |  |  | 506 |
ZHEJIANG |
Cost and estimated earnings in excess of billings |
|  | 2012 |  |  | 2011 |
|  | RMB’000 |  |  | RMB’000 |
Contracts costs incurred plus estimated earnings |  |  | 198,706 |  |  |  | 117,105 |
Less: Progress billings |  |  | (98,957 | ) |  |  | (53,574 | )
Cost and estimated earnings in excess of billings |  |  | 99,749 |  |  |  | 63,531 |

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | CLWT_ScheduleCostAndEstimatedEarningsInExcessOfBillings
Namespace Prefix: | CLWT_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration