Segment Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	$ 277,113	$ 117,870	$ 460,912	$ 357,721
License revenues	6,030,561	45,010	6,073,335	3,144,698
Operating income (loss)	5,349,692	(643,429)	(745,827)	(145,022)
Depreciation and amortization	18,261	17,887	53,702	54,038
Assets	8,370,179		8,370,179		$ 3,709,601
Property and equipment and intangibles	348,797		348,797		373,505
Purchases of patents and trademarks	6,154	981	14,968	10,681
Purchases of property and equipment	3,696		14,026
Patent Monetization [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues
License revenues	6,003,709	611	6,004,726	2,947,319
Operating income (loss)	5,552,626	(388,573)	153,761	712,742
Depreciation and amortization	5,850	6,070	17,870	18,195
Assets	331,020		331,020		673,295
Property and equipment and intangibles	144,559		144,559		154,945
Purchases of patents and trademarks	3,077	491	7,484	5,341
Purchases of property and equipment
Andrea DSP Microphone and Audio Software Products [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	277,113	117,870	460,912	357,721
License revenues	26,852	44,399	68,609	197,379
Operating income (loss)	(202,934)	(254,856)	(899,588)	(857,764)
Depreciation and amortization	12,411	11,817	35,832	35,843
Assets	8,039,159		8,039,159		2,973,007
Property and equipment and intangibles	204,238		204,238		$ 218,560
Purchases of patents and trademarks	3,077	$ 490	7,484	$ 5,340
Purchases of property and equipment	$ 3,696		$ 14,026