Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues	$ 10,416,000	$ 15,453,000	$ 14,800,000	$ 24,020,000
Total revenues	10,416,000	15,453,000	14,800,000	24,020,000
Cost of revenues	10,118,000	15,087,000	13,603,000	23,212,000
Gross profit	298,000	366,000	1,197,000	808,000
Operating expenses
Sales and marketing expenses	70,000	181,000	235,000	350,000
General and administrative expenses	1,132,000	1,248,000	3,928,000	2,058,000
Research and development expenses	116,000	159,000	330,000	360,000
Total operating expenses	1,318,000	1,588,000	4,493,000	2,768,000
Loss from operations	(1,020,000)	(1,222,000)	(3,296,000)	(1,960,000)
Other income (expenses)
Interest expense, net		(12,000)	(1,000)	(23,000)
Other income/(expenses)	18,000	(2,000)	17,000	(4,000)
Change in fair value of warrant liabilities	22,000	821,000	68,000	471,000
Total other income	40,000	807,000	84,000	444,000
Loss before income tax (expense)/benefit and noncontrolling interests	(980,000)	(415,000)	(3,212,000)	(1,516,000)
Income tax (expense)/benefit	10,000	33,000	(68,000)	(6,000)
Net loss	(970,000)	(382,000)	(3,280,000)	(1,522,000)
Net loss attributable to noncontrolling interests	2,000	3,000	2,000	5,000
Net loss attributable to ChinaNet Online Holdings, Inc.	(968,000)	(379,000)	(3,278,000)	(1,517,000)
Net loss	(970,000)	(382,000)	(3,280,000)	(1,522,000)
Foreign currency translation gain/(loss)	(4,000)	60,000	68,000	24,000
Comprehensive loss	(974,000)	(322,000)	(3,212,000)	(1,498,000)
Comprehensive loss attributable to noncontrolling interests	2,000	2,000	1,000	5,000
Comprehensive loss attributable to ChinaNet Online Holdings, Inc.	$ (972,000)	$ (320,000)	$ (3,211,000)	$ (1,493,000)
Loss per common share
Basic and diluted (in dollars per share)	$ (0.04)	$ (0.02)	$ (0.16)	$ (0.09)
Weighted average number of common shares outstanding:
Basic and diluted (in shares)	21,691,926	16,412,543	21,044,666	16,411,548
Unrelated Parties [Member]
Revenues	$ 10,415,000	$ 15,352,000	$ 14,786,000	$ 23,912,000
Total revenues	10,415,000	15,352,000	14,786,000	23,912,000
Related Parties [Member]
Revenues	1,000	101,000	14,000	108,000
Total revenues	$ 1,000	$ 101,000	$ 14,000	$ 108,000