Note 6 - Prepayment and Deposit to Suppliers - Prepayments and Deposit to Suppliers (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Prepayment and deposit to suppliers	$ 5,254	$ 4,508
Deposits to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	529	612
Prepayment to TV Ad and Internet Ad Resources Providers [Member]
Prepayment and deposit to suppliers	4,221	2,996
Deposits and Prepayments for Potential Investing Contracts [Member]
Prepayment and deposit to suppliers	0	152
Other Deposits and Prepayments [Member]
Prepayment and deposit to suppliers	$ 504	$ 748