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COMMITMENTS AND CONTINGENCIES (Details) - CONTRACTS - USD ($) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 01, 2020 | May 07, 2020 | May 31, 2022 | May 31, 2021 | Sep. 30, 2017
Royalty Agreements [Member] |  |  |  |  |
COMMITMENTS AND CONTINGENCIES (Details) - CONTRACTS [Line Items] |  |  |  |  |
Royalty Expense |  |  | $ 19,000 | $ 11,000 |
Royalty Expense Percentage Of Sales |  |  | 1.50% | 1.50% |
Telcon Agreement [Member] |  |  |  |  |
COMMITMENTS AND CONTINGENCIES (Details) - CONTRACTS [Line Items] |  |  |  |  |
Accrued Fees and Other Revenue Receivable |  |  | $ 1,250,000 |  |
Stock Issued During Period, Shares, Other (in Shares) |  |  | 83,333 |  |
Proceeds from Fees Received |  |  | $ 250,000 |  |
Royalty Percentage |  |  | 15.00% |  |
UC License Agreements [Member] |  |  |  |  |
COMMITMENTS AND CONTINGENCIES (Details) - CONTRACTS [Line Items] |  |  |  |  |
Payments for Other Fees | $ 5,000 | $ 5,000 |  |  |
License Maintenance Fee, Payable | $ 10,000 |  |  |  |
University OF Southern California [Member] |  |  |  |  |
COMMITMENTS AND CONTINGENCIES (Details) - CONTRACTS [Line Items] |  |  |  |  |
Clinical Trial Agreement Maximum Budgeted Costs |  |  |  |  | $ 82,000
Accrued Liabilities, Current |  |  | $ 17,000 |  |
Biomerica InFoods [Member] |  |  |  |  |
COMMITMENTS AND CONTINGENCIES (Details) - CONTRACTS [Line Items] |  |  |  |  |
Clinical Trial Agreement Maximum Budgeted Costs |  |  | 107,000 |  |
Accrued Liabilities, Current |  |  | $ 28,000 |  |

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