Note 20 - Loss Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net loss attributable to ZW Data Action Technologies Inc. (numerator for basic and diluted loss per share)		$ (1,403)	$ (1,714)	$ (2,546)	$ (2,431)
Weighted average number of common shares outstanding - Basic and diluted (in shares)	[1]	7,195,605	7,114,726	7,185,114	7,097,440
Loss per share - Basic and diluted (in dollars per share)	[1]	$ (0.19)	$ (0.24)	$ (0.35)	$ (0.34)

[1] Retrospectively restated for effect of the 1-for-5 reverse stock split effective on January 18, 2023, see Note 4(g).