| Cover | Nov. 19, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 19, 2021 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 1-4324 |
| Entity Registrant Name | ANDREA ELECTRONICS CORPORATION |
| Entity Central Index Key | 0000006494 |
| Entity Tax Identification Number | 11-0482020 |
| Entity Incorporation, State or Country Code | NY |
| Entity Address, Address Line One | 620 Johnson Avenue Suite 1B |
| Entity Address, City or Town | Bohemia |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 11716 |
| City Area Code | 631 |
| Local Phone Number | 719-1800 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | ANDR |
| Security Exchange Name | NONE |
| Entity Emerging Growth Company | false |
