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Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($)
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Investment Owned, at Cost | $ 51 |
Voting rights percentage | 50.00% |
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 100,000 Euro per customer and covers deposits in all types of accounts. The Japanese government provides insurance coverage up to 10,000,000 Yen per customer. The Korea Deposit Insurance Corporation provides insurance coverage up to 50,000,000 Won per customer. 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. |
Insurance coverage per customer (in Shares) | shares | 10,000,000 |
Inventory reserve amount |  | $ 200,000
General and administrative expenses | 35,000 |
Foreign currency translation gains (losses) | $ 68,000 | $ (4,000)
Number of customers | 5 | 4
Accounts receivable percentage | 83.00% | 76.00%
Revenues percentage | 10.00% | 10.00%
Reduction of our accounts receivable and revenue | $ 9,000 | $ 69,000
Accrued expense and cost of sales | 49,000 | 36,000
Contracted revenue not yet recognized | $ 36,000 |
Recognized revenues percent | 100.00% |
Recognized revenues | $ 41,000 | 41,000
Advertising costs | $ 158,000 | 208,000
Outstanding voting shares percentage | 50.00% |
Neonode Technologies AB [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Remaining percentage | 49.00% |
Accounts Receivable [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Allowance for doubtful accounts | $ 30,000 | 79,000
United States [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Net assets | 15,535,000 | 17,198,000
Europe [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Net assets | 3,857,000 | 2,611,000
Asia [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Net assets | 26,000 | 28,000
AirBar [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Inventory reserve amount | $ 300,000 | $ 800,000
Hewlett Packard Company [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Revenues percentage | 27.00% | 32.00%
Seiko Epson [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Revenues percentage | 19.00% | 18.00%
LG [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Revenues percentage | 12.00% | 13.00%
Alpine Electronics [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Revenues percentage | 10.00% |
Korea Deposit Insurance Corporation [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
Insurance coverage per customer (in Shares) | shares | 50,000,000 |
Foreign Currency Gain (Loss) [Member] |  |
Summary of Significant Accounting Policies (Details) [Line Items] |  |
General and administrative expenses |  | $ 66,000

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