Note 14 - Short-term bank loan (Details) In Thousands, unless otherwise specified						3 Months Ended
	Sep. 30, 2013 USD ($)		Sep. 30, 2013 CNY	Dec. 31, 2012 USD ($)		Sep. 30, 2013 People's Bank of China [Member]
Note 14 - Short-term bank loan (Details) [Line Items]
Short-term Bank Loans and Notes Payable (in Yuan Renminbi)	$ 813	[1]	5,000		[1]
Short-term Bank Loans and Notes Payable (in Dollars)	$ 813	[1]	5,000		[1]
Debt Instrument, Basis Spread on Variable Rate						30.00%
Debt Instrument, Interest Rate, Stated Percentage	7.80%		7.80%

[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).