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Note 14 - Accrued payroll and other accruals (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
Schedule of Accrued Liabilities [Table Text Block] |
|  | March 31, 2013 |  |  | December 31, 2012 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  |  |
Accrued payroll and staff welfare |  |  | 460 |  |  |  | 538 |
Accrued operating expenses |  |  | 417 |  |  |  | 366 |
|  |  | 877 |  |  |  | 904 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration