Note 20 - Loss Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net loss		$ (1,905)	$ (1,520)	$ (1,082)	$ (2,546)	$ (2,987)	$ (4,066)
Net loss attributable to noncontrolling interests		(9)	0			7	0
Net loss attributable to ZW Data Action Technologies Inc. (numerator for basic and diluted loss per share)		$ (1,914)	$ (1,520)			$ (2,980)	$ (4,066)
Weighted average number of common shares outstanding -Basic and diluted* (in shares)	[1],[2]	1,805,289	1,801,213			1,802,582	1,797,999
Loss per share-Basic and diluted* (in dollars per share)	[1],[2]	$ (1.06)	$ (0.84)			$ (1.65)	$ (2.26)

[1] * Retrospectively restated for effect of the 1-for-4 reverse stock split effective on September 30, 2024, see Note 4(g).

[2] **Retrospectively restated for effect of the 1-for-4 reverse stock split effective on September 30, 2024, see Note 4(g).