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Description of insurance coverage.

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No. of customers.

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The description related to product backlog.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Amount of allowance for credit loss on accounts receivable.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of environmental remediation costs capitalized. These expenditures may relate to long-lived improvements in operating facilities.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of valuation reserve for inventory.

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Description of noncontrolling interest which might include background information, terms of the ownership arrangement, and type and terms of equity interest owned by the noncontrolling interest holders.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of selling, general and administrative expense classified as other.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended							9 Months Ended		12 Months Ended
	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2020 USD ($) customers	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) customers
Summary of Significant Accounting Policies (Textual)
Basic deposit coverage limits per owner and customer	$ 250							$ 250
Allowance for doubtful accounts	82			$ 85				82		$ 85
Costs capitalized in projects in process								11		8
Foreign currency translation adjustments	(228)	$ 64	$ (87)	117	$ (145)	$ 26	$ (181)	(251)	$ (300)
Foreign currency transactions, general and administrative expenses	$ (135)				$ 56			149	$ 170
Investment in joint venture								$ 3
Equity ownership percentage	50.00%							50.00%
Concentration risk, percentage	100.00%				100.00%			100.00%	100.00%
Advertising costs	$ 27				$ 18			$ 43	$ 66
Noncontrolling interest, description								Noncontrolling interests' partners have less than 50% share of voting rights at any one of the subsidiary level companies.
Recognized of revenues	7							$ 39
Inventory reserve amount	700			$ 800				$ 700		$ 800
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 950,000 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 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.
Initial drawdown	$ 1,000							$ 1,000
Product backlog amount									$ 0
Product backlog, description								Our sensor module product backlog at September 30, 2020 was approximately $495.000. The product backlog includes orders confirmed for products planned to be shipped within the next 3 quarters to 3 customers. Our cycle time between order and shipment is generally short and customers occasionally change delivery schedules. As a result, we do not believe that our product backlog, as of any particular date, is necessarily indicative of actual product revenue for any future period.
AirBar [Member]
Summary of Significant Accounting Policies (Textual)
Inventory description								To protect our manufacturing partner from losses in relation to AirBar production, we agreed to secure the value of the inventory with a bank guarantee covering the production of 20,000 AirBars. Excess inventory was purchased from our manufacturing partner in 2019 and has been fully reserved.
Accounts Receivable [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, percentage								75.00%		72.00%
No. of customers \| customers								4		3
Sales Revenue, Net [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, percentage	10.00%				10.00%			10.00%	10.00%
Sales Revenue, Net [Member] \| Hewlett Packard Company [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, percentage	31.00%				34.00%			32.00%	39.00%
Sales Revenue, Net [Member] \| LG Electronics Inc. [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, percentage	16.00%
Sales Revenue, Net [Member] \| Seiko Epson Corporation [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, percentage	13.00%				18.00%			19.00%	15.00%
Sales Revenue, Net [Member] \| Alpine Electronics, Inc [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk, percentage	12.00%				20.00%			15.00%	14.00%
Sweden [Member] \| Pronode Technologies AB [Member]
Summary of Significant Accounting Policies (Textual)
Noncontrolling interest owned by Pronode Technologies AB	51.00%							51.00%
Noncontrolling interest owned by Propoint AB	49.00%							49.00%