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Stockholders' Equity (Details Textual)
 1 Months Ended 12 Months Ended
Oct. 13, 2015
USD ($)
$ / shares
shares
Aug. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Stockholders Equity (Textual)          
Issuance of common stock | $         $ 10,000,000
Issuance of common stock, shares         2,500,000
Shares price per share | $ / shares         $ 4.00
Proceeds from sale of stock after expenses and fees | $         $ 9,300,000
Placement agent fee | $         $ 600,000
Warrants issued to purchase shares of common stock         2,500,000
Direct offering cost | $ $ 700,000        
Cash | $ $ 5,400,000        
Price per share | $ / shares $ 1.90        
Stock issued for cash | $ $ 6,100,000        
Exercise price | $ / shares         $ 5.09
Warrants issued to placement agent         75,000
Issuance costs | $       $ 700,000  
Issuance of common stock, shares 3,200,000        
Net proceeds from issuance of common stock | $     $ 7,913,000 $ 5,422,000 $ 9,253,000
Employee Investor Shares [Member]          
Stockholders Equity (Textual)          
Shares price per share | $ / 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)          
Shares price per share | $ / 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. 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 upon issuance and will not expire prior to exercise.      
Series B Preferred Stock [Member]          
Stockholders Equity (Textual)          
Preferred stock conversion ratio per share of common stock     132.07    
Preferred stock, liquidation preference | $ / shares     $ 0.001 $ 0.001  
Conversion of shares     10,962    
Preferred stock voting rights description     The holders of shares of Series B Preferred stock have one vote for each share of Series B Preferred stock held by them.    
Preferred stock conversion description     Each share of Series B Preferred stock was convertible into one share of our common stock.    
Securities Purchase Agreement [Member]          
Stockholders Equity (Textual)          
Securities purchase agreement, description   (iii) up to 3,600,000 shares issuable upon exercise of warrants (the "Pre-Funded Warrants") by outside investors for which we received $3,564,000 pre-funded in proceeds and will receive up to $36,000 in proceeds upon future cash exercises.      
Proceeds from issuance of warrants | $   $ 4,800,000      
Issuance of common stock, shares   8,627,352      
Net proceeds from issuance of common stock | $   $ 7,900,000      
Thomas Eriksson [Member]          
Stockholders Equity (Textual)          
Aggregate shares of common stock, shares       157,893  
Aggregate purchase price of common stock, value | $       $ 300,000  
Per Bystedt [Member]          
Stockholders Equity (Textual)          
Aggregate shares of common stock, shares       157,893  
Aggregate purchase price of common stock, value | $       $ 300,000  
Mats Dahlin [Member]          
Stockholders Equity (Textual)          
Aggregate shares of common stock, shares       157,893  
Aggregate purchase price of common stock, value | $       $ 300,000  
Common Stock [Member]          
Stockholders Equity (Textual)          
Warrants issued to purchase shares of common stock       280,000  
Cash | $       $ 5,400,000  
Common stock, capital shares reserved for future issuance         5,000,000
Price per share | $ / shares       $ 1.90  
Stock issued for cash | $       $ 6,100,000  
Common stock purchased by exercise of warrants       150,234  
Issuance of common stock, shares     5,027,000 3,200,000 2,500,000
Warrant [Member]          
Stockholders Equity (Textual)          
Warrants issued to purchase shares of common stock         17,000
Additional warrants issued to purchase shares of common stock     80,000   11,500
Exercise price | $ / shares         $ 3.13
Common stock purchased by exercise of warrants     11,565   10,053
Proceeds from issuance of warrants | $         $ 36,000
Warrant [Member] | Securities Purchase Agreement [Member]          
Stockholders Equity (Textual)          
Warrants issued to purchase shares of common stock   4,313,676      
Exercise price | $ / shares   $ 1.12