Segment Information (Schedule of Selected Consolidated Financial Information for Andrea's Segments) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	$ 377,755	$ 422,680
Service related revenues		7,800
License revenues	4,896	15,160
Operating loss	(178,288)	(180,236)
Depreciation and amortization	15,531	21,868
Assets	1,243,682		$ 1,289,471
Total long lived assets	253,959		257,283
Purchases of property and equipment	5,989
Payments for patents and trademarks	6,218	4,091
Patent Monetization [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues
Service related revenues
License revenues	139	382
Operating loss	(89,132)	(97,456)
Depreciation and amortization	5,517	7,318
Assets	319,453		257,685
Total long lived assets	115,562		115,562
Purchases of property and equipment
Payments for patents and trademarks	3,109	2,045
Andrea DSP Microphone and Audio Software Products [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	377,755	422,680
Service related revenues		7,800
License revenues	4,757	6,978
Operating loss	(89,156)	(82,780)
Depreciation and amortization	10,014	14,550
Assets	924,229		1,031,786
Total long lived assets	138,397		$ 141,721
Purchases of property and equipment	5,989
Payments for patents and trademarks	$ 3,109	$ 2,046