Note 6 - Prepayments and Deposit to Suppliers - Prepayments and Deposit to Suppliers (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Prepayment and deposit to suppliers	$ 7,928	$ 4,754
Deposits to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	1,152	1,074
Prepayment to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	5,893	2,874
Deposits to Other Service Providers [Member]
Prepayment and deposit to suppliers	726	721
Other Deposits and Prepayments [Member]
Prepayment and deposit to suppliers	$ 157	$ 85