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v3.21.2

Summary of Significant Accounting Policies (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) shares | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Noncontrolling interest, description |  |  | Neonode consolidates entities in which it has a controlling financial interest. We consolidate subsidiaries in which we hold, directly or indirectly, more than 50% of the voting rights. |  |
Insurance coverage, description |  |  | For deposits held with financial institutions in the U.S., the U.S. Federal Deposit Insurance Corporation provides basic deposit coverage with limits up to $250,000 per owner. The Swedish government provides insurance coverage up to 1,050,000 Krona per customer and covers deposits in all types of accounts. For bank accounts of the category held by Neonode, the Japanese government provides full insurance coverage. The Central Deposit Insurance Corporation in Taiwan provides insurance coverage up to 3,000,000 Taiwan Dollar per customer. At times, deposits held with financial institutions may exceed the amount of insurance provided. |  |
Allowance for doubtful accounts (in Dollars) | $ 79,000 |  | $ 79,000 |  |
Inventory of bank guarantee production (in Shares) | shares |  |  | 20,000 |  |
Foreign currency translation adjustments (in Dollars) | 56,000 | $ (110,000) | $ 64,000 | $ (23,000) |
Foreign currency transactions, general and administrative expenses (in Dollars) | (54,000) | (63,000) | 28,000 | (14,000) |
Reduction of accounts receivable (in Dollars) |  |  | 70,000 |  | $ 78,000
Recognized revenues (in Dollars) | 8,000 |  | 26,000 |  |
Advertising costs (in Dollars) | $ 39,000 | $ 9,000 | $ 58,000 | $ 16,000 |
Pronode Technologies AB [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Noncontrolling interest owned by Pronode Technologies AB | 51.00% |  | 51.00% |  |
Noncontrolling interest owned by Propoint AB | 49.00% |  | 49.00% |  |
Accounts Receivable [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Number of customers |  |  | 4 |  | 3
Sales Revenue, Net [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 10.00% | 10.00% | 10.00% | 10.00% |
Airbar Sales [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Inventory reserve amount (in Dollars) | $ 800,000 |  | $ 800,000 |  | $ 900,000
Hewlett Packard Company [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 30.00% | 27.00% | 31.00% | 33.00% |
Seiko Epson Corporation [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 17.00% |  | 14.00% |  |
Alpine [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage | 14.00% |  | 13.00% |  |
Epson [Member] | Sales Revenue, Net [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage |  | 35.00% |  | 24.00% |
Alpine []Member | Sales Revenue, Net [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage |  | 12.00% |  | 17.00% |
Noncontrolling Interest [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Equity ownership percentage | 50.00% |  | 50.00% |  |
Unbilled Revenues [Member] | Accounts Receivable [Member] |  |  |  |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |
Concentration risk, percentage |  |  | 70.00% |  | 62.00%

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