Note 15 - Accrued payroll and other accruals (Details) - Accrued payroll and other accruals (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Note 15 - Accrued payroll and other accruals (Details) - Accrued payroll and other accruals [Line Items]
Accrued payroll and other accruals	$ 947	[1]	$ 904	[1]
Accrued Payroll and Staff Welfare [Member]
Note 15 - Accrued payroll and other accruals (Details) - Accrued payroll and other accruals [Line Items]
Accrued payroll and other accruals	553		538
Accrued Operating Expenses [Member]
Note 15 - Accrued payroll and other accruals (Details) - Accrued payroll and other accruals [Line Items]
Accrued payroll and other accruals	$ 394		$ 366

[1] All of the VIEs' assets can be used to settle obligations of their primary beneficiary. Liabilities recognized as a result of consolidating these VIEs do not represent additional claims on the Company's general assets (Note 2).