Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues
Revenues	$ 15,508	$ 17,042	$ 39,528	$ 47,822
Cost of revenues	14,616	16,649	37,828	45,860
Gross profit	892	393	1,700	1,962
Operating expenses
Sales and marketing expenses	111	239	461	1,083
General and administrative expenses	817	1,738	2,875	4,580
Research and development expenses	239	264	599	722
Impairment on intangible assets		1,502		3,380
Impairment on goodwill				5,289
Total operating expenses	1,167	3,743	3,935	15,054
Loss from operations	(275)	(3,350)	(2,235)	(13,092)
Other income (expenses)
Impairment on long-term investments				(460)
Interest expense, net	(10)	(6)	(33)	(25)
Other expenses	(2)	(2)	(6)	(30)
Change in fair value of warrant liabilities	(120)	501	351	1,449
Total other income/(expenses)	(132)	493	312	934
Loss before income tax benefit/(expense) and noncontrolling interests	(407)	(2,857)	(1,923)	(12,158)
Income tax benefit/(expenses)	16	(116)	10	(805)
Net loss	(391)	(2,973)	(1,913)	(12,963)
Net loss attributable to noncontrolling interests	3	20	8	75
Net loss attributable to ChinaNet Online Holdings, Inc.	(388)	(2,953)	(1,905)	(12,888)
Net loss	(391)	(2,973)	(1,913)	(12,963)
Foreign currency translation gain/(loss)	73	(36)	97	24
Comprehensive loss	(318)	(3,009)	(1,816)	(12,939)
Comprehensive loss attributable to noncontrolling interests	1	20	6	69
Comprehensive loss attributable to ChinaNet Online Holdings, Inc.	$ (317)	$ (2,989)	$ (1,810)	$ (12,870)
Loss per share
Basic and diluted (in dollars per share)	$ (0.02)	$ (0.19)	$ (0.12)	$ (0.82)
Weighted average number of common shares outstanding:
Basic and diluted (in shares)	16,517,440	15,915,501	16,447,233	15,756,876
Unrelated Parties [Member]
Revenues
Revenues	$ 15,113	$ 17,042	$ 39,025	$ 47,822
Related Parties [Member]
Revenues
Revenues	$ 395		$ 503