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Number of financial institutions where cash is held.

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The amount of positive working capital.

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Description of revenues recognition from customers and to report revenues during the period.

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A description of the lease term.

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No definition available.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

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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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The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2018 USD ($) Institutions	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jan. 31, 2016 USD ($)
Summary of Significant Accounting Policies (Textual)
Number of financial institutions where cash is held \| Institutions	4
Description of revenue from contracts with customers	Service related and licensing revenues are recognized based on the terms and conditions of individual contracts using the five step approach listed above, which identifies performance obligations and transaction price. Typically, Andrea receives licensing reports from its licensees approximately one quarter in arrears due to the fact that its agreements require customers to report revenues between 30-60 days after the end of the quarter.
Deferred revenue	$ 25,341
Loss before income taxes	(942,545)	(1,140,790)
Non-cash stock based compensation	144,000
Cash	486,521	1,164,057	$ 2,955,129
Positive working capital	795,998
Advertising and marketing expenses	$ 17,000	$ 13,000
Underlying asset lease term, description	A term of 12 months or less.
Additional lease liabilities				$ 78,000
Minimum [Member]
Summary of Significant Accounting Policies (Textual)
Estimated useful life of property and equipment	3 years
Minimum [Member] \| Patents and trademarks [Member]
Summary of Significant Accounting Policies (Textual)
Estimated useful life of intangible assets	10 years
Minimum [Member] \| Core Technology [Member]
Summary of Significant Accounting Policies (Textual)
Estimated useful life of intangible assets	10 years
Maximum [Member]
Summary of Significant Accounting Policies (Textual)
Estimated useful life of property and equipment	10 years
Maximum [Member] \| Patents and trademarks [Member]
Summary of Significant Accounting Policies (Textual)
Estimated useful life of intangible assets	20 years
Maximum [Member] \| Core Technology [Member]
Summary of Significant Accounting Policies (Textual)
Estimated useful life of intangible assets	20 years
Net revenue [Member]
Summary of Significant Accounting Policies (Textual)
Concentration of credit risk, customers accounted	10% or more
Accounts Receivable [Member] \| Customers A [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	55.00%
Accounts Receivable [Member] \| Customer B [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	19.00%
Accounts Receivable [Member] \| Customer C [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	14.00%