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Note 15 - Accrued Payroll and Other Accruals (Tables) | 3 Months Ended
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Mar. 31, 2015
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] |
|  | March 31, 2015 |  |  | December 31, 2014 |
|  | US$(’000) |  |  | US$(’000) |
|  | (Unaudited) |  |  |  |
Accrued payroll and staff welfare |  |  | 319 |  |  |  | 388 |
Accrued operating expenses |  |  | 193 |  |  |  | 197 |
|  |  | 512 |  |  |  | 585 |

X
- Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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