Note 8 - Prepayments and deposit to suppliers (Details) - Prepayments and deposit to suppliers (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Note 8 - Prepayments and deposit to suppliers (Details) - Prepayments and deposit to suppliers [Line Items]
Prepayment and deposit to suppliers	$ 14,636	$ 14,596
Contract Execution Guarantees [Member]
Note 8 - Prepayments and deposit to suppliers (Details) - Prepayments and deposit to suppliers [Line Items]
Prepayment and deposit to suppliers	8,044	9,463
Prepayments to TV Ad and Internet Providers [Member]
Note 8 - Prepayments and deposit to suppliers (Details) - Prepayments and deposit to suppliers [Line Items]
Prepayment and deposit to suppliers	6,529	5,069
Other Deposits and Prepayments [Member]
Note 8 - Prepayments and deposit to suppliers (Details) - Prepayments and deposit to suppliers [Line Items]
Prepayment and deposit to suppliers	$ 63	$ 64