Note 1 - Organization and Nature of Operations (Details Textual)	Dec. 31, 2024
ChinaNet BVI [Member]
Subsidiary, Ownership Percentage, Parent	100.00%
China Net HK [Member]
Subsidiary, Ownership Percentage, Parent	100.00%
ChinaNet Investment BVI [Member]
Subsidiary, Ownership Percentage, Parent	100.00%
Grandon BVI [Member]
Subsidiary, Ownership Percentage, Parent	100.00%
Rise King WFOE [Member]
Subsidiary, Ownership Percentage, Parent	100.00%
ChinaNet Online Holdings Co. [Member]
Subsidiary, Ownership Percentage, Parent	100.00%
ChinaNet Online Guangdong [Member]
Subsidiary, Ownership Percentage, Parent	100.00%