Note 5 - Accounts Receivable, Net (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Provision for/(reverse of) credit loss during the period	$ 414	$ (183)	$ 694	$ 40
Internet Advertising and TV Advertising [Member]
Provision for/(reverse of) credit loss during the period	$ 410		$ 690	$ 40
Internet Advertising And TV Advertising Contractual Deposit [Member]
Provision for/(reverse of) credit loss during the period		$ (180)