Cover - shares	9 Months Ended
	Sep. 30, 2021	Nov. 18, 2021
Cover [Abstract]
Entity Registrant Name	AMERICAN BIO MEDICA CORPORATION
Entity Central Index Key	0000896747
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Sep. 30, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		47,598,476
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Entity File Number	0-28666
Entity Incorporation State Country Code	NY
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
Security 12b Title	Common Stock
Trading Symbol	ABMC