LEASES (Details Narrative)	1 Months Ended	6 Months Ended
Nov. 30, 2016 ft²	Nov. 30, 2023 USD ($) ft²
Lessee Disclosure [Abstract]
Area of land \| ft²	8,100	22,000
Lease term description	In November 2016, the Company’s Mexican subsidiary, Biomerica de Mexico, entered into a 10-year lease for approximately 8,100 square feet of manufacturing space. The Company has one 10-year option to renew at the end of the initial lease period. Biomerica de Mexico also leases a smaller unit on a month-to-month basis for use in one manufacturing process.	On November 30, 2015, the Company exercised its option to extend its lease for an additional sixty-month period and entered into the First Amendment to Lease wherein it extended its lease until August 31, 2021. On April 9, 2021, the Company exercised its second option to extend its lease for an additional five years. When the Company extended its lease in April 2021, it was also granted an additional five-year lease extension option.
Security deposit \| $		$ 22,000

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Name:	us-gaap_SecurityDeposit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant