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Stockholders' Equity (Details) - USD ($) |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 06, 2020 | Dec. 29, 2020 | Sep. 29, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Aug. 07, 2020
Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |
Description of shares of common stock |  |  | Annual Meeting of our Company held on September 29, 2020, stockholders approved a proposal to increase the number of authorized shares of our common stock to 25,000,000 shares. Accordingly, on November 5, 2020, we filed an amendment to the Neonode Inc. Restated Certificate of Incorporation, as amended (our “Certificate of Incorporation”), with the Secretary of State of the State of Delaware to increase the number of authorized shares of our common stock to 25,000,000 shares. |  |  |
Shares issued |  | 37,288 |  |  |  | 517
Common stock issued upon exercise of common stock warrants, shares |  | 2,020 |  |  |  |
Number of warrants exercised |  |  |  | 325,000 | 360,000 |
Proceeds for exercised (in Dollars) |  |  |  |  | $ 36,000 |
Dividends at the rate |  |  |  | 5.00% |  |
Total dividends received (in Dollars) |  |  |  | $ 33,000 |  |
Series C-1 Preferred Shares and Series C-2 Preferred Shares [Member] | Neonode [Member] |  |  |  |  |  |
Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |
Shares of Neonode common stock |  |  |  | 684,378 |  |
Series C-1 Preferred Shares and Series C-2 Preferred Shares [Member] | Private Placement [Member] |  |  |  |  |  |
Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |
Description of shares of common stock | On August 6, 2020, in connection with the closing of the Private Placement, the Company designated (i) 365 shares of its authorized and unissued preferred stock as Series C-1 Preferred Stock by filing a Series C-1 Certificate of Designation of Preferences, Rights and Limitations with the Secretary of State of the State of Delaware and (ii) 4,084 shares of its authorized and unissued preferred stock as Series C-2 Preferred Stock by filing a Series C-2 Certificate of Designation of Preferences, Rights and Limitations with the Secretary of State of the State of Delaware. |  |  |  |  |

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