Commitments and Contingencies	9 Months Ended
Feb. 28, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Text Block]	Note 6: Commitments and Contingencies On June 18, 2009, the Company entered into an agreement to lease a building in Irvine, California. The lease commenced September 1, 2009 and ended August 31, 2016. The initial base rent was set at $18,490 per month with scheduled annual increases through the end of the lease term. In November 2015, the Company signed the First Amendment to Lease to extend the lease until August 31, 2021. The initial base rent for the lease amendment which started September 1, 2016 was $21,000 per month. As of September 1, 2018, the rent was $22,279 per month. In November 2016, the Company’s subsidiary, Biomerica de Mexico, entered into a ten year lease for approximately 8,100 square feet at a monthly rent of $2,926. The yearly rate is subject to an annual adjustment for inflation according to the United States Bureau of Labor Statistics Consumer Price Index For All Urban Consumers. In accordance with the terms of the lease agreement, in November 2018 the rent was increased to $3,140 per month. Biomerica, Inc. is not a guarantor of such lease. On November 6, 2018, the Company entered into a three year sales contract for the distribution of its EZ Detect product with Medline Industries, a large U.S. manufacturer and distributor of medical supplies. On February 22, 2019, the Company entered into a consulting agreement with an individual to provide investor relations consulting services for a fee of $2,000 per month. The fee will be reviewed after a six-month period. The contract is for a period of twelve months, but is cancellable at any time after the initial three-month period. On February 5, 2019, the Company entered into commission agreements with an independent contractor for the purpose of obtaining sales of its EZ Detect product in the territories of Vietnam, the United Arab Emirates and Russia. The agreements are for a period of forty eight months but are cancellable if certain preset sales minimums are not met within the first six months after the date of the agreement. On December 17, 2018, the Company entered into an agreement with a Company for the purpose of procuring and assisting in transactions related to its EZ Detect product with the People’s Republic of China. The contract is for a period of twelve months, cancellable by either party with forty five days written notice. The contract specifies 2.5-6% success fees and milestone payments upon certain events transpiring. On January 23, 2019, the Company entered into a non-exclusive advisory agreement with a Company to promote the Company to new investors for a period of ninety days.

Note 6: Commitments and Contingencies

On June 18, 2009, the Company entered into an agreement to lease a building in Irvine, California. The lease commenced September 1, 2009 and ended August 31, 2016. The initial base rent was set at $18,490 per month with scheduled annual increases through the end of the lease term. In November 2015, the Company signed the First Amendment to Lease to extend the lease until August 31, 2021. The initial base rent for the lease amendment which started September 1, 2016 was $21,000 per month. As of September 1, 2018, the rent was $22,279 per month.

In November 2016, the Company’s subsidiary, Biomerica de Mexico, entered into a ten year lease for approximately 8,100 square feet at a monthly rent of $2,926. The yearly rate is subject to an annual adjustment for inflation according to the United States Bureau of Labor Statistics Consumer Price Index For All Urban Consumers. In accordance with the terms of the lease agreement, in November 2018 the rent was increased to $3,140 per month. Biomerica, Inc. is not a guarantor of such lease.

On November 6, 2018, the Company entered into a three year sales contract for the distribution of its EZ Detect product with Medline Industries, a large U.S. manufacturer and distributor of medical supplies.

On February 22, 2019, the Company entered into a consulting agreement with an individual to provide investor relations consulting services for a fee of $2,000 per month. The fee will be reviewed after a six-month period. The contract is for a period of twelve months, but is cancellable at any time after the initial three-month period.

On February 5, 2019, the Company entered into commission agreements with an independent contractor for the purpose of obtaining sales of its EZ Detect product in the territories of Vietnam, the United Arab Emirates and Russia. The agreements are for a period of forty eight months but are cancellable if certain preset sales minimums are not met within the first six months after the date of the agreement.

On December 17, 2018, the Company entered into an agreement with a Company for the purpose of procuring and assisting in transactions related to its EZ Detect product with the People’s Republic of China. The contract is for a period of twelve months, cancellable by either party with forty five days written notice. The contract specifies 2.5-6% success fees and milestone payments upon certain events transpiring.

On January 23, 2019, the Company entered into a non-exclusive advisory agreement with a Company to promote the Company to new investors for a period of ninety days.