| Cover | Nov. 18, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | AMERICAN BIO MEDICA CORPORATION |
| Entity Central Index Key | 0000896747 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Nov. 18, 2021 |
| Entity Incorporation State Country Code | NY |
| Entity File Number | 0-28666 |
| Entity Tax Identification Number | 14-1702188 |
| Entity Address Address Line 1 | 122 Smith Road |
| Entity Address City Or Town | Kinderhook |
| Entity Address State Or Province | NY |
| Entity Address Postal Zip Code | 12106 |
| City Area Code | 518 |
| Local Phone Number | 758-8158 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common |
| Trading Symbol | ABMC |
