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Stockholders' Equity(Details Textual)
 1 Months Ended 9 Months Ended
Aug. 31, 2016
USD ($)
$ / shares
shares
Sep. 30, 2016
USD ($)
$ / shares
shares
Sep. 30, 2015
USD ($)
Dec. 31, 2015
$ / shares
Oct. 13, 2015
$ / shares
Stockholders' Equity (Textual)          
Share price | $ / shares         $ 1.90
Net proceeds from issuance of common stock | $   $ 7,911,000    
Securities Purchase Agreement [Member]          
Stockholders' Equity (Textual)          
Share price | $ / shares   $ 1.12      
Issuance of common stock | shares 8,627,352 4,313,676      
Net proceeds from issuance of common stock | $ $ 7,900,000        
Securities purchase agreement, description   The total number of Purchase Warrant Shares represents a ratio of 50% warrant coverage to the Investor Shares such that investors will be entitled to receive one Purchase Warrant Share upon cash exercise for every two Initial Shares or Pre-Funded Warrants purchased. The Purchase Warrants will expire five and one-half years from issuance and are non-exercisable for the first six months. The terms of the Purchase Warrants require that exercise may only be for cash and not on a cashless basis unless, after a period of six months from closing of the private placement, the Purchase Warrant Shares are not subject to a registration statement or there has been a failure to maintain the effective registration of the Purchase Warrant Shares by Neonode as described below.      
Employee Investor Shares [Member]          
Stockholders' Equity (Textual)          
Share price | $ / shares $ 1.17        
Issuance of common stock | shares 427,352        
Net proceeds from issuance of common stock | $ $ 500,000        
Outside Investor Shares [Member]          
Stockholders' Equity (Textual)          
Share price | $ / shares $ 1.00        
Issuance of common stock | shares 4,600,000        
Net proceeds from issuance of common stock | $ $ 4,600,000        
Pre-Funded Warrant Shares [Member]          
Stockholders' Equity (Textual)          
Securities purchase agreement, description (iii) up to 3,600,000 Pre-Funded Warrant Shares issuable upon exercise of the Pre-Funded Warrants for which Neonode received $3,564,000 pre-funded in gross proceeds and up to $36,000 in proceeds upon future cash exercises. The Pre-Funded Warrants were issued to certain outside investors whose purchase of shares of Neonode common stock would make them the beneficial owners of more than 9.99% of the outstanding common stock of Neonode. Each of the Pre-Funded Warrants were pre-funded upon closing of the private placement at $0.99 per Pre-Funded Warrant Share and have an exercise price of $0.01 per Pre-Funded Warrant Share. The Pre-Funded Warrants are immediately exercisable issuance and will not expire prior to exercise.        
Pre-Funded Warrants [Member]          
Stockholders' Equity (Textual)          
Pre-funded warrants, description   Pre-funded warrants for outside investors were sold at $0.99 per share for a total cash payment of $3.6 million and contain a Pre-Funded warrant exercise price of $0.01 per share to represent a total payment of $1.00 per share. The warrants issued in the August 2016 financing transaction are not exercisable for six months from the issuance date, until February 2017      
Percentage of outstanding common stock   9.99%      
Series B Preferred Stock [Member]          
Stockholders' Equity (Textual)          
Preferred stock, liquidation preference | $ / shares   $ 0.001   $ 0.001  
Conversion ratio   132.07      
Common Stock [Member]          
Stockholders' Equity (Textual)          
Warrants to purchase of common stock | shares   80,000      
Common stock purchased by exercise of warrants | shares   11,565