Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
License fees	$ 821	$ 1,207	$ 3,474	$ 3,050
Products	136	284	837	450
Non-recurring engineering	5	4	36	47
Total revenues	962	1,495	4,347	3,547
Products	98	198	580	306
Non-recurring engineering	1	3	17	62
Total cost of revenues	99	201	597	368
Total gross margin	863	1,294	3,750	3,179
Research and development	1,015	901	3,536	2,939
Sales and marketing	640	604	2,197	1,797
General and administrative	1,030	1,535	3,264	3,034
Total operating expenses	2,685	3,040	8,997	7,770
Operating loss	(1,822)	(1,746)	(5,247)	(4,591)
Interest expense	3	11	11	25
Total other expense	3	11	11	25
Loss before provision (benefit) for income taxes	(1,825)	(1,757)	(5,258)	(4,616)
Provision (benefit) for income taxes	31	(9)	104	10
Net loss including noncontrolling interests	(1,856)	(1,748)	(5,362)	(4,626)
Less: Net loss attributable to noncontrolling interests	135	110	416	366
Net loss attributable to Neonode Inc.	(1,721)	(1,638)	(4,946)	(4,260)
Preferred dividends		(33)		(33)
Net loss attributable to common shareholders of Neonode Inc.	$ (1,721)	$ (1,671)	$ (4,946)	$ (4,293)
Basic and diluted loss per share (in Dollars per share)	$ (0.15)	$ (0.16)	$ (0.43)	$ (0.45)
Basic and diluted – weighted average number of common shares outstanding (in Shares)	11,542	10,128	11,517	9,492