Merger Agreement with Mobile X Global, Inc. (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended	9 Months Ended
Jun. 30, 2022	Sep. 30, 2022
Third-party institutional investor [Member]
Merger Agreement with Mobile X Global, Inc.
Percentage of stockholding by stockholders after the Merger		12.00%
Number of shares held by shareholder after reverse stock split		1,066,860
Other Investors [Member]
Merger Agreement with Mobile X Global, Inc.
Percentage of stockholding by stockholders after the Merger		1.00%
Number of shares held by shareholder after reverse stock split		75,851
Electro-Sensors, Inc. [Member]
Merger Agreement with Mobile X Global, Inc.
Reverse stock split		four-for-onefour-for-one
Merger agreement, expiration date		Jan. 31, 2023
Percentage of stockholding by stockholders after the Merger		11.00%
Number of share options outstanding		325,000
Number of shares held by shareholder after reverse stock split		932,005
Aggregate cash dividends before the closing of the Merger		$ 18.0
Cash dividends per share before reverse stock split		$ 4.83
Electro-Sensors, Inc. [Member] \| Third-party institutional investor [Member]
Merger Agreement with Mobile X Global, Inc.
Equity financing		$ 20.0
Mobile X Global, Inc. Combined Company [Member] \| Third-party institutional investor [Member]
Merger Agreement with Mobile X Global, Inc.
Equity line of credit		$ 50.0
Commitment letter expiration date	Oct. 31, 2022	Jan. 31, 2023
Mobile X Global, Inc. Original Company [Member]
Merger Agreement with Mobile X Global, Inc.
Percentage of stockholding by stockholders after the Merger		76.00%
Number of shares held by shareholder after reverse stock split		6,668,294

The amount of equity financing.

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The amount of equity line of credit.

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Merger Agreement, Expiration Date.

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The number of shares held by shareholder after reverse stock split.

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The percentage of stockholding by stockholders after the Merger.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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Number of options outstanding, including both vested and non-vested options.

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Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

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