Note 22 - (Loss) Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net (loss)/income attributable to ZW Data Action Technologies Inc. (numerator for basic and diluted loss per share)	$ (2,840)	$ 1,375	$ (5,271)	$ (1,586)
Weighted average number of common shares outstanding -Basic and diluted (in shares)	35,827,677	35,332,220	35,572,200	32,279,304
(Loss)/earnings per share-Basic and diluted (in dollars per share)	$ (0.08)	$ 0.04	$ (0.15)	$ (0.05)