Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues	$ 1,717	$ 3,239	$ 3,917	$ 13,190
Cost of revenues	1,619	3,184	3,612	12,735
Gross profit	98	55	305	455
Operating expenses
Sales and marketing expenses	0	75	0	208
General and administrative expenses	251	1,972	1,719	3,462
Total operating expenses	251	2,047	1,719	3,670
Loss from operations	(153)	(1,992)	(1,414)	(3,215)
Other income/(expenses)
Interest income	45	66	144	233
Other expenses, net	1	(2)	(4)	(30)
Impairment on long-term investment	0	0	0	(2)
Gain on disposal of subsidiaries	0	23	0	23
Total other income	46	87	140	224
Loss before income tax benefit/(expense) and noncontrolling interests	(107)	(1,905)	(1,274)	(2,991)
Income tax benefit/(expenses)	(1)	0	(1)	4
Net loss	(108)	(1,905)	(1,275)	(2,987)
Net loss	(108)	(1,905)	(1,275)	(2,987)
Net loss/(income) attributable to noncontrolling interests	(0)	9	1	(7)
Net loss attributable to ZW Data Action Technologies Inc.	(108)	(1,914)	(1,276)	(2,980)
Foreign currency translation income/(loss)	(56)	(124)	(109)	(78)
Comprehensive Loss	(164)	(2,029)	(1,384)	(3,065)
Comprehensive loss/(income) attributable to noncontrolling interests	1	9	2	(7)
Comprehensive loss attributable to ZW Data action Technologies Inc.	$ (165)	$ (2,038)	$ (1,386)	$ (3,058)
Earnings Per Share [Abstract]
Basic and diluted (in dollars per share)	$ (0.04)	$ (1.06)	$ (0.52)	$ (1.65)
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic and diluted (in shares)	2,659,629	1,805,289	2,449,564	1,802,582