Note 16 - Taxation (Detail) - Taxes payable (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Taxes payable	$ 6,846	[1]	$ 6,683	[1]
Turnover Tax And Surcharge Payable [Member]
Taxes payable	2,656		2,609
Enterprise Income Tax Payable [Member]
Taxes payable	$ 4,190		$ 4,074

[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).