Note 6 - Prepayment and Deposit to Suppliers - Prepayments and Deposit to Suppliers (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Prepayment and deposit to suppliers	$ 4,843	$ 4,505
Deposits to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	915	911
Prepayment to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	3,027	3,136
Deposits and Prepayments for Potential Investing Contracts [Member]
Prepayment and deposit to suppliers	403	0
Other Deposits and Prepayments [Member]
Prepayment and deposit to suppliers	$ 498	$ 458