Segment Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	$ 422,680	$ 254,390
Service related revenues	7,800	9,938
License revenues	15,160	22,155
Operating income (loss)	(180,236)	(315,590)
Depreciation and amortization	21,868	22,239
Assets	1,383,368		$ 1,519,008
Total long lived assets	300,130		317,907
Payments for patents and trademarks	4,091
Patent Monetization [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues		254,390
Service related revenues
License revenues	382	209
Operating income (loss)	(97,456)	(147,480)
Depreciation and amortization	7,318	7,596
Assets	252,540		287,206
Total long lived assets	126,138		131,410
Payments for patents and trademarks	2,045
Andrea Dsp Microphone and Audio Software Products [Member]
Summary of condensed consolidated interim financial information for Andrea's segments
Net product revenues	422,680	254,390
Service related revenues	7,800	9,938
License revenues	6,978	12,008
Operating income (loss)	(82,780)	(168,110)
Depreciation and amortization	14,550	$ 14,643
Assets	1,130,828		1,231,802
Total long lived assets	173,992		$ 186,497
Payments for patents and trademarks	$ 2,046