SUBSEQUENT EVENT	12 Months Ended
May 31, 2016
Subsequent Events [Abstract]
Subsequent Events [Text Block]	9. SUBSEQUENT EVENTS On July 14, 2016 the Board of Directors of the Company voted to expand its board of directors from five to six members and voted to elect Dr. Mark Sirgo to fill the vacant position. A non-qualified stock option to purchase 35,000 shares of the Company’s common stock was granted to Dr. Sirgo at the time he joined the Board of Directors. The option was granted at an exercise price of $1.52, is exercisable 25% on July 14, 2017 and then 25% each year thereafter. The option will expire July14, 2026. On June 3, 2016 the Company granted a non-qualified option to purchase 20,000 shares of Biomerica common stock to a consultant. The option was granted at an exercise price of $1.61, is exercisable 25% on June 3, 2017 and then 25% each year thereafter. The option expires June 3, 2021. On August 23, 2016, Nasdaq (National Association of Securities Dealers Automated Quotations) approved the Company’s application to list its common stock on The Nasdaq Capital Market. The Company trades under the trading symbol BMRA. The Company’s common stock started trading on Nasdaq on August 26, 2016.

SUBSEQUENT EVENT

12 Months Ended

May 31, 2016

9. SUBSEQUENT EVENTS

On July 14, 2016 the Board of Directors of the Company voted to expand its board of directors from five to six members and voted to elect Dr. Mark Sirgo to fill the vacant position. A non-qualified stock option to purchase 35,000 shares of the Company’s common stock was granted to Dr. Sirgo at the time he joined the Board of Directors. The option was granted at an exercise price of $1.52, is exercisable 25% on July 14, 2017 and then 25% each year thereafter. The option will expire July14, 2026.

On June 3, 2016 the Company granted a non-qualified option to purchase 20,000 shares of Biomerica common stock to a consultant. The option was granted at an exercise price of $1.61, is exercisable 25% on June 3, 2017 and then 25% each year thereafter. The option expires June 3, 2021.

On August 23, 2016, Nasdaq (National Association of Securities Dealers Automated Quotations) approved the Company’s application to list its common stock on The Nasdaq Capital Market. The Company trades under the trading symbol BMRA. The Company’s common stock started trading on Nasdaq on August 26, 2016.