Note 19 - Loss Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Net loss		$ (530)	$ (850)
Net (income)/loss attributable to noncontrolling interests from continued operations		(1)	0
Net loss attributable to ZW Data Action Technologies Inc.		$ (531)	$ (850)
Basic and diluted** (in shares)	[1]	2,301,205	1,926,205
Basic and diluted** (in dollars per share)	[1]	$ (0.23)	$ (0.44)

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