Note 11 - Intangible Assets, Net - Intangible Assets, Net (Details) (Parentheticals)	Sep. 30, 2025	Dec. 31, 2024
Finite-Lived Intangible Asset, Useful Life (Year)	2 years 5 months 8 days
Finite-Lived Intangible Asset, Useful Life (Year)	2 years 5 months 8 days
Licensing Agreements [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
Cloud-Computing Based Software Platforms [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		10 years
Finite-Lived Intangible Asset, Useful Life (Year)		10 years
Internet Ad Tracking System [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		5 years
Finite-Lived Intangible Asset, Useful Life (Year)		5 years
Livestreaming Technology [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	5 years
Finite-Lived Intangible Asset, Useful Life (Year)	5 years
Blockchain Integrated Framework Platform [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		3 years
Finite-Lived Intangible Asset, Useful Life (Year)		3 years
Other Computer Software [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	3 years
Finite-Lived Intangible Asset, Useful Life (Year)	3 years