Net Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
BASIC AND DILUTED
Weighted average number of common shares outstanding	10,128	8,811	9,492	8,804
Net loss attributable to common shareholders of Neonode Inc.	$ (1,638)	$ (1,086)	$ (4,260)	$ (2,923)
Net loss per share - basic and diluted	$ (0.16)	$ (0.12)	$ (0.45)	$ (0.33)