Consolidated Statements of Stockholders’ Equity - USD ($) shares in Thousands, $ in Thousands	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, 2018		$ 9	$ 197,507	$ (456)	$ (185,222)	$ 11,838	$ (2,042)	$ 9,796
Balances (in Shares) at Dec. 31, 2018	82	8,800
Common stock issued upon exercise of common stock warrants			36			36		36
Common stock issued upon exercise of common stock warrants (in Shares)		360
Conversion of Series B Preferred Stock to common stock
Conversion of Series B Preferred Stock to common stock (in Shares)	(82)	11
Foreign currency translation adjustment				(183)		(183)		(183)
Net loss					(5,298)	(5,298)	(504)	(5,802)
Balances at Dec. 31, 2019		$ 9	197,543	(639)	(190,520)	6,393	(2,546)	3,847
Balances (in Shares) at Dec. 31, 2019		9,171
Issuance of shares for cash, net of offering costs	$ 3,932	$ 1	9,597			13,530		13,530
Issuance of shares for cash, net of offering costs (in Shares)	3,932	1,612
Series C-2 Preferred Stock issued for repayment of short-term borrowings and accrued interest	$ 517		(1)			516		516
Series C-2 Preferred Stock issued for repayment of short-term borrowings and accrued interest (in Shares)	517
Conversion of Series C-1 and C-2. Preferred Stock to common stock	$ (4,449)	$ 1	4,448
Conversion of Series C-1 and C-2. Preferred Stock to common stock (in Shares)	(4,449)	684
Preferred dividends					(33)	(33)		(33)
Stock-based compensation		$ 1	76			77		77
Stock-based compensation (in Shares)		37
Foreign currency translation adjustment				235		235		235
Net loss					(5,605)	(5,605)	(677)	(6,282)
Balances at Dec. 31, 2020		$ 12	$ 211,663	$ (404)	$ (196,158)	$ 15,113	$ (3,223)	$ 11,890
Balances (in Shares) at Dec. 31, 2020		11,504