Note 7 - Prepayments and Deposit to Suppliers- Prepayments and Deposit to Suppliers (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Prepayment and deposit to suppliers	$ 4,754	$ 5,843
Deposits to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	1,074	622
Prepayment to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	2,874	3,623
Deposits to Other Service Providers [Member]
Prepayment and deposit to suppliers	721	1,540
Other Deposits and Prepayments [Member]
Prepayment and deposit to suppliers	$ 85	$ 58