Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Series B Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total Neonode Inc. Stockholders' Equity	Noncontrolling Interests	Total
Balances at Dec. 31, 2017		$ 6	$ 192,861	$ (99)	$ (183,745)	$ 9,023	$ (1,160)	$ 7,863
Balances, shares at Dec. 31, 2017	83	5,859
Adjustment related to adoption of ASC revenue recognition					1,583	1,583		1,583
Stock option and warrant compensation expense to employees and directors			12			12		12
Foreign currency translation adjustment				(94)		(94)		(94)
Net loss					(693)	(693)	(207)	(900)
Balances at Mar. 31, 2018		$ 6	192,873	(193)	(182,855)	9,831	(1,367)	8,464
Balances, shares at Mar. 31, 2018	83	5,859
Balances at Dec. 31, 2017		$ 6	192,861	(99)	(183,745)	9,023	(1,160)	7,863
Balances, shares at Dec. 31, 2017	83	5,859
Foreign currency translation adjustment								(417)
Net loss								(3,026)
Balances at Sep. 30, 2018		$ 6	192,891	(516)	(184,629)	7,752	(1,720)	6,032
Balances, shares at Sep. 30, 2018	83	5,859
Balances at Mar. 31, 2018		$ 6	192,873	(193)	(182,855)	9,831	(1,367)	8,464
Balances, shares at Mar. 31, 2018	83	5,859
Stock option and warrant compensation expense to employees and directors			18			18		18
Foreign currency translation adjustment				(336)		(336)		(336)
Net loss					(964)	(964)	(211)	(1,175)
Balances at Jun. 30, 2018		$ 6	192,891	(529)	(183,819)	8,549	(1,578)	6,971
Balances, shares at Jun. 30, 2018	83	5,859
Foreign currency translation adjustment				13		13		13
Net loss					(810)	(810)	(142)	(951)
Balances at Sep. 30, 2018		$ 6	192,891	(516)	(184,629)	7,752	(1,720)	6,032
Balances, shares at Sep. 30, 2018	83	5,859
Foreign currency translation adjustment				60		60		60
Conversion of series B Preferred Stock to Common Stock
Conversion of series B Preferred Stock to Common Stock, shares	(1)
Proceeds from sale of common stock, net of offering costs		$ 3	4,616			4,619		4,619
Proceeds from sale of common stock, net of offering costs, shares		2,941
Net loss					(593)	(593)	(322)	(915)
Balances at Dec. 31, 2018		$ 9	197,507	(456)	(185,222)	11,838	(2,042)	9,796
Balances, shares at Dec. 31, 2018	82	8,800
Foreign currency translation adjustment				(181)		(181)		(181)
Net loss					(573)	(573)	(111)	(684)
Balances at Mar. 31, 2019		$ 9	197,507	(637)	(185,795)	11,084	(2,153)	8,931
Balances, shares at Mar. 31, 2019	82	8,800
Balances at Dec. 31, 2018		$ 9	197,507	(456)	(185,222)	11,838	(2,042)	9,796
Balances, shares at Dec. 31, 2018	82	8,800
Foreign currency translation adjustment								(300)
Net loss								(3,213)
Balances at Sep. 30, 2019		$ 9	197,507	(756)	(188,745)	8,615	(2,332)	6,283
Balances, shares at Sep. 30, 2019		8,811
Balances at Mar. 31, 2019		$ 9	197,507	(637)	(185,795)	11,084	(2,153)	8,931
Balances, shares at Mar. 31, 2019	82	8,800
Foreign currency translation adjustment				26		26		26
Conversion of series B Preferred Stock to Common Stock
Conversion of series B Preferred Stock to Common Stock, shares	(2)	1
Net loss					(1,264)	(1,264)	(66)	(1,330)
Balances at Jun. 30, 2019		$ 9	197,507	(611)	(187,059)	9,846	(2,219)	7,627
Balances, shares at Jun. 30, 2019	80	8,801
Foreign currency translation adjustment				(145)		(145)		(145)
Conversion of series B Preferred Stock to Common Stock
Conversion of series B Preferred Stock to Common Stock, shares	80	10
Net loss					(1,086)	(1,086)	(113)	(1,199)
Balances at Sep. 30, 2019		$ 9	$ 197,507	$ (756)	$ (188,745)	$ 8,615	$ (2,332)	$ 6,283
Balances, shares at Sep. 30, 2019		8,811