Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2020	Mar. 23, 2021	Jun. 29, 2020
Document and Entity Information [Abstract]
Entity Registrant Name	ANDREA ELECTRONICS CORP
Entity Central Index Key	0000006494
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	10-K
Document Period End Date	Dec. 31, 2020
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2020
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Shell Company	false
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Public Float			$ 1,743,180
Entity Common Stock, Shares Outstanding		68,104,957
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	NY
Entity File Number	001-04324