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Accounting Policies, by Policy (Policies) | 12 Months Ended
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May 31, 2021
Accounting Policies [Abstract] |
Consolidation, Policy [Policy Text Block] | PRINCIPLES OF CONSOLIDATION The enclosed consolidated financial statements for the years ended May 31, 2021 and 2020 include the accounts of Biomerica, Inc. ("Biomerica") as well as its German subsidiary (BioEurope GmbH) and Mexican subsidiary (Biomerica de Mexico). All significant intercompany accounts and transactions have been eliminated in consolidation.
Use of Estimates, Policy [Policy Text Block] | ACCOUNTING ESTIMATES The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and the reported amounts of revenues and expenses during the reported period. Estimates that are made include the allowance for doubtful accounts, which is estimated based on current as well as historical past practices with a customer; stock option forfeiture rates, which are calculated based on historical data; inventory obsolescence, which are based on projected and historical usage of materials; and lease liability and right-of-use assets, which are calculated based on certain assumptions such as borrowing rate, the likelihood of lease extensions to occur, asset valuation, among other things; and other items that may be necessary to estimate using current, historical and judgment based information. Actual results could materially differ from those estimates.
Markets And Methods Of Distribution [Policy Text Block] | MARKETS AND METHODS OF DISTRIBUTION Due to the Coronavirus global pandemic, the Company’s operations have been negatively impacted. The Company has faced disruptions in certain of the following areas, and may face further challenges from supply chain disruptions, loss of contracts and/or customers, closure of the Company’s manufacturing or distribution facilities or of the facilities of the Company’s suppliers, partners and customers, travel, shipping and logistical disruptions, government responses of all types, international business risks in countries where the Company makes and/or sells its products, loss of human capital or personnel at the Company, its partners and its customers, interruptions of production, customer credit risk, and general economic calamities. These ongoing pandemic related disruptions can materially negatively impact the Company’s operations and financial performance and may continue to have significant material negative impacts on the Company.
Liquidity [Policy Text Block] | LIQUIDITY The Company has incurred net losses and negative cash flows from operations and has an accumulated deficit of approximately $30.5 million as of May 31, 2021. Management expects to continue to incur significant costs as it advances its trials and development activities. On January 22, 2021, the Company filed a Prospectus Supplement for purposes of raising up to $15,000,000 to the base prospectus filed with the SEC on July 21, 2020 and declared effective by the SEC on September 30, 2020 and an ATM Agreement. The Company intends to use the net proceeds from such offering for general corporate purposes, including, without limitation, sales and marketing activities, clinical studies and product development, making acquisitions of assets, businesses, companies or securities, capital expenditures, and for working capital needs. Under an ATM Agreement, sales of the Placement Shares are deemed to be “at the market offering” as defined in Rule 415 promulgated under the Securities Act. The agent acts as sales agent under the ATM and uses commercially reasonable efforts to sell on the Company’s behalf all of the Placement Shares requested to be sold from time to time by the Company, consistent with its normal trading and sales practices, on mutually agreed terms between the agent and the Company. The Company has no obligation to sell any of the Placement Shares under the ATM Agreement, and may at any time suspend offers under, or terminate the ATM Agreement. During the year ended May 31, 2021, the Company sold 158,889 shares of its common stock at prices ranging from $7.06 to $7.79 under its Form S-3 Registration Statement (File No. 333-239980) and ATM Agreement which resulted in gross proceeds of $1,177,394 and net proceeds to the Company of $1,011,475 after deducting commissions for each sale and legal, accounting and other fees related to the filing of the Form S-3. As a result of cash and cash equivalents on hand at May 31, 2021, management believes the Company has sufficient funds to operate through August 2022 and the ability to raise additional funds through the ATM noted above.
Fair Value Measurement, Policy [Policy Text Block] | FAIR VALUE OF FINANCIAL INSTRUMENTS The Company has financial instruments whereby the fair market value of the financial instruments could be different than that recorded on a historical basis. The Company's financial instruments consist of its cash and cash equivalents, accounts receivable, and accounts payable. The carrying amounts of the Company's financial instruments approximate their fair values.
Concentration Risk, Credit Risk, Policy [Policy Text Block] | CONCENTRATION OF CREDIT RISK The Company maintains cash balances at certain financial institutions in excess of amounts insured by federal agencies. As of May 31, 2021, the Company had approximately $3,767,000 of uninsured cash. The Company does not believe it is exposed to any significant credit risks. The Company provides credit in the normal course of business to customers throughout the United States and in foreign markets. The Company performs ongoing credit evaluations of its customers and requires accelerated prepayment in some circumstances. For the years ended May 31, 2021 and 2020, the Company had two distributors and three distributors which accounted for a total of 60% and 57% of our net consolidated sales, respectively. Of this, for the years ended May 31, 2021 and 2020 one of the distributors mentioned above accounted for 33% and 26%, respectively, of net consolidated sales. At May 31, 2021 and 2020, the Company had two distributors and three distributors which accounted for a total of 73% and 80%, respectively, of gross accounts receivable. Of the 73% as of May 31, 2021, 41% was owed by a distributor in China. Total gross receivables at May 31, 2021 and 2020 were $2,292,466 and $1,836,852, respectively. For the year ended May 31, 2021, one vendor accounted for 58% of the purchases of raw materials. For the year ended May 31, 2020, one vendor accounted for a total of 59% of the purchases of raw materials.
Concentration Risk Geographic Policy [Policy Text Block] | GEOGRAPHIC CONCENTRATION As of May 31, 2021 and 2020, approximately $803,000 and $613,000 of Biomerica's gross inventory and approximately $25,000 and $31,000, of Biomerica's property and equipment, net of accumulated depreciation, was located in Mexicali, Mexico, respectively.
Cash and Cash Equivalents, Policy [Policy Text Block] | CASH AND CASH EQUIVALENTS Cash and cash equivalents consist of demand deposits and money market accounts with original maturities of less than three months.
Accounts Receivable [Policy Text Block] | ACCOUNTS RECEIVABLE The Company extends unsecured credit to its customers on a regular basis. International accounts are usually required to prepay until they establish a history with the Company and at that time, they are extended credit at levels based on a number of criteria. Based on various criteria, initial credit levels for individual distributors are approved by designated officers and managers of the Company. All increases in credit limits are also approved by designated upper-level management. Management evaluates receivables on a quarterly basis and adjusts the allowance for doubtful accounts accordingly. Balances over ninety days old are usually reserved for unless collection is reasonably assured. Occasionally certain long-standing customers, who routinely place large orders, will have unusually large receivables balances relative to the total gross receivables. Management monitors the payments for these large balances closely and very often requires payment of existing invoices before shipping new sales orders. The Company has established a reserve of $837,415 for doubtful accounts as of May 31, 2021. The majority of this reserve has been established to cover 100% of outstanding accounts receivable from an international distributor.
Prepaids Policy [Policy Text Block] | PREPAIDS The Company occasionally prepays for items such as inventory, insurance and other items. These items are reported as prepaids, until either the inventory is physically received or the insurance and other items are utilized. As of May 31, 2021, the prepaids were approximately $370,000, composed of prepayments to insurance and various other suppliers. As of May 31, 2020, approximately $1 million of the prepaids was an advance payment to one of our suppliers, which was subsequently refunded by the supplier when the Company determined it no longer needed the materials that had been ordered.
Inventory, Policy [Policy Text Block] | INVENTORIES, NET The Company values inventory at the lower of cost (determined using a combination of specific lot identification and the first-in, first-out methods) or net realizable value. Management periodically reviews inventory for excess quantities and obsolescence. Management evaluates quantities on hand, physical condition, and technical functionality as these characteristics may be impacted by anticipated customer demand for current products and new product introductions. The reserve is adjusted based on such evaluation, with a corresponding provision included in cost of sales. Abnormal amounts of idle facility expenses, freight, handling costs and wasted material are recognized as current period charges and the allocation of fixed production overhead is based on the normal capacity of the production facilities. Inventories approximate the following at May 31:
|  | May 31, 2021 |  | May 31, 2020
Raw materials |  | $ | 1,583,000 |  | $ | 1,635,000
Work in progress |  |  | 1,006,000 |  |  | 988,000
Finished products |  |  | 617,000 |  |  | 228,000
Total |  | $ | 3,206,000 |  | $ | 2,851,000
Reserves for inventory obsolescence are recorded as necessary to reduce obsolete inventory to estimated net realizable value or to specifically reserve for obsolete inventory that the Company intends to dispose of. As of May 31, 2021 and 2020, inventory reserves were approximately $1,617,000 and $67,000, respectively. Of the inventory reserve, $1,502,675 was related to a market downturn in our COVID-19 antibody test and materials, as the market shifted to COVID-19 PCR viral tests and antigen tests.
Property, Plant and Equipment, Policy [Policy Text Block] | PROPERTY AND EQUIPMENT, NET Property and equipment are stated at cost. Expenditures for additions and major improvements are capitalized. Repairs and maintenance costs are charged to operations as incurred. When property and equipment are sold, retired or otherwise disposed of, the related cost and accumulated depreciation or amortization are removed from the accounts, and gains or losses from sales, retirements and dispositions are credited or charged to income. Depreciation and amortization are provided over the estimated useful lives of the related assets, ranging from 5 to 10 years, using the straight-line method. Leasehold improvements are amortized over the lesser of the estimated useful life of the asset or the term of the lease. Depreciation and amortization expense on property and equipment amounted to $104,715 and $105,299 for the years ended May 31, 2021 and 2020, respectively.
Goodwill and Intangible Assets, Policy [Policy Text Block] | INTANGIBLE ASSETS, NET Intangible assets include trademarks, product rights, technology rights and patents, and are accounted for based on Accounting Standards Codification (“ASC”), ASC 350 Intangibles – Goodwill and Other (“ASC 350”). In that regard, intangible assets that have indefinite useful lives are not amortized but are tested at least annually for impairment or more frequently if events or changes in circumstances indicate that the asset might be impaired. Intangible assets are being amortized using the straight-line method over the useful life, not to exceed 18 years for marketing and distribution rights, 10 years for purchased technology use rights, and 20 years for patents. Amortization amounted to $33,552 and $23,873 for the years ended May 31, 2021 and 2020, respectively. The Company assesses the recoverability of these intangible assets by determining whether the amortization of the asset's balance over its remaining life can be recovered through projected undiscounted future cash flows. The Company uses a qualitative assessment to determine whether there was any impairment. No impairment adjustment was required as of May 31, 2021 or 2020.
Investment, Policy [Policy Text Block] | INVESTMENTS From time-to-time, the Company makes investments in privately-held companies. The Company determines whether the fair values of any investments in privately-held entities have declined below their carrying value whenever adverse events or changes in circumstances indicate that recorded values may not be recoverable. If the Company considers any such decline to be other than temporary (based on various factors, including historical financial results, and the overall health of the investee’s industry), a write-down to estimated fair value is recorded. Investments represent the Company’s investment in a Polish distributor which is primarily engaged in distributing medical products and devices. The Company currently has not written down the investment and no events have occurred which could indicate the carrying value of the investment to be greater than the fair value. The Company owns approximately 6% of the investee and, accordingly, applies the cost method to account for the investment. Under the cost method, investments are recorded at cost, with gains and losses recognized as of the sale date, and income recorded when received.
Share-based Payment Arrangement [Policy Text Block] | SHARE-BASED COMPENSATION The Company follows the guidance of the accounting provisions of ASC 718, Share-based Compensation (“ASC 718”), which requires the use of the fair-value based method to determine compensation for all arrangements under which employees and others receive shares of stock or equity instruments (options). The fair value of each option award is estimated on the date of grant using the Black-Scholes options-pricing model that uses assumptions for expected volatility, expected dividends, expected forfeiture rate, expected term, and the risk-free interest rate. The Company has not paid dividends historically and does not expect to pay them in the foreseeable future. Expected volatilities are based on weighted averages of the historical volatility of the Company’s common stock estimated over the expected term of the options. The expected forfeiture rate is based on historical forfeitures experienced. The expected term of options granted is derived using the “simplified method” which computes expected term as the average of the sum of the vesting term plus the contract term as historically the Company had limited activity surrounding its options. The risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant for the period of the expected term. The grant date fair value of the award is recognized under the straight-line attribution method. In applying the Black-Scholes options-pricing model, assumptions used were as follows:
|  |  | 2021 |  |  | 2020
Dividend yield |  |  | 0% |  |  | 0%
Expected volatility |  |  | 71.19-107.53% |  |  | 55.52-72.62%
Risk free interest rate |  |  | 0.34-1.18% |  |  | 0.43-1.80%
Expected Term |  |  | 5.50-6.25 Years |  |  | 3.75-6.25 Years
Revenue [Policy Text Block] | REVENUE RECOGNITION The Company has various contracts with customers. All of the contracts specify that revenues from product sales are recognized at the time the product is shipped, customarily FOB shipping point, which is when the transfer of control of goods has occurred and at which point title passes. The Company does not allow for returns except in the event of defective merchandise and therefore does not establish an allowance for returns. In addition, the Company has contracts with customers wherein they receive purchase discounts for achieving specified sales volumes. The Company evaluated the status of these contracts as of May 31, 2021 and 2020 and does not believe that any additional discounts will be given through the end of the contract periods. Services for some contract work are invoiced and recognized for work that has been performed as the project progresses. The Company sells clinical lab products to domestic and international distributors, including hospitals and clinical laboratories, medical research institutions, medical schools and pharmaceutical companies. OTC products are sold directly to drug stores and e-commerce customers as well as to distributors. Physicians’ office products are sold to physicians and distributors, all of whom are categorized below according to the type of products sold to them. We also manufacture certain components on a contract basis for domestic and international manufacturers. Disaggregation of revenue: The following is a breakdown of revenues according to markets to which the products are sold:
|  | Year Ended
|  | May 31, 2021 |  | May 31, 2020
Clinical lab |  | $ | 3,077,000 |  | $ | 2,922,000
Physician's office |  |  | 2,801,000 |  |  | 2,195,000
Over-the-counter |  |  | 766,000 |  |  | 1,270,000
Contract manufacturing |  |  | 552,000 |  |  | 306,000
Lab supplies |  |  | 3,000 |  |  | -
Total |  | $ | 7,199,000 |  | $ | 6,693,000
See Note 8 for additional information regarding revenue concentrations.
Cost of Goods and Service [Policy Text Block] | SHIPPING AND HANDLING FEES The Company includes shipping and handling fees billed to customers in net sales.
Research and Development Expense, Policy [Policy Text Block] | RESEARCH AND DEVELOPMENT Research and development costs are expensed as incurred. The Company expensed $2,471,453 and $1,932,570 of research and development costs during the years ended May 31, 2021 and 2020, respectively.
Income Tax, Policy [Policy Text Block] | INCOME TAXES The Company accounts for income taxes in accordance with ASC 740, Income Taxes (“ASC 740”). Deferred tax assets and liabilities arise from temporary differences between the tax bases of assets and liabilities and their reported amounts in the consolidated financial statements that will result in taxable or deductible amounts in future years and the benefits of net operating loss and tax credit carryforwards. These temporary differences and the benefits of net operating loss and tax credit carryforwards are measured using enacted tax rates. A valuation allowance is recorded to reduce deferred tax assets to the extent that management considers it is more likely than not that a deferred tax asset will not be realized. In determining the valuation allowance, the Company considers factors such as the reversal of deferred income tax assets, projected taxable income, and the character of income tax assets and tax planning strategies. A change to these factors could impact the estimated valuation allowance and income tax expense. At May 31, 2021 and 2020, in accordance with ASC 740, the Company has a valuation allowance for substantially all of its deferred tax assets. During the fiscal year ended May 31, 2021, this valuation allowance was increased to $5,904,000, which fully covers the tax asset of $5,904,000. The Company accounts for its uncertain tax provisions by using a two-step approach to recognizing and measuring uncertain tax positions. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates it is more likely than not, based solely on the technical merits, that the position will be sustained in an audit, including resolution of related appeals or litigation processes, if any. The second step is to measure the appropriate amount of the benefit to recognize. The amount of benefit to recognize is measured as the maximum amount which is more likely than not to be realized. The tax position is derecognized when it is no longer more likely than not capable of being sustained. On subsequent recognition and measurement the maximum amount which is more likely than not to be recognized at each reporting date will represent the Company’s best estimate, given the information available at the reporting date, although the outcome of the tax position is not absolute or final. Upon adopting the revisions in ASC 740, the Company elected to follow an accounting policy to classify accrued interest related to liabilities for income taxes within the “Interest expense” line and penalties related to liabilities for income taxes within the “Other expense” line of the consolidated statements of operations and comprehensive loss.
Advertising Cost [Policy Text Block] | ADVERTISING COSTS The Company reports the cost of all advertising as expense in the period in which those costs are incurred. Advertising costs were approximately $10,070 and $174 for the years ended May 31, 2021 and 2020, respectively.
Foreign Currency Transactions and Translations Policy [Policy Text Block] | FOREIGN CURRENCY TRANSLATION The subsidiary located in Mexico operates primarily using the Mexican peso. The subsidiary located in Germany operates primarily using the U.S. dollar, with an immaterial amount of transactions occurring using the Euro. Accordingly, assets and liabilities of these subsidiaries are translated using exchange rates in effect at the end of the year, and revenues and costs are translated using average exchange rates for the year. The resulting adjustments to assets and liabilities are presented as a separate component of accumulated other comprehensive loss. There are no adjustments to foreign currency loss that are included in the consolidated statements of operations for the years ended May 31, 2021 and 2020.
Lessee, Leases [Policy Text Block] | RIGHT-OF-USE ASSETS AND LEASE LIABILITY Incentive payments received from landlords are recorded as deferred lease incentives and are amortized over the underlying lease term on a straight-line basis as a reduction of rent expense. When the terms of an operating lease provide for periods of free rent, rent concessions, and/or rent escalations, the Company establishes a deferred rent liability for the difference between the scheduled rent payment and the straight-line rent expense recognized. This deferred rent liability was amortized over the underlying lease term on a straight-line basis as a reduction of rent expense. During the year ended May 31, 2020, the Company adopted ASC 842, Leases. As a result, the existing deferred rent liability was netted against the Right-of-Use Asset which was capitalized at that time. In February 2016, the Financial Accounting Standards Board (“FASB”) issued an accounting standards update which requires lessees to recognize most leases on the balance sheet with a corresponding right-of-use asset. Right-of-use assets represent the Company’s right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Right-of-Use assets and lease liabilities are recognized at the lease commencement date based on the estimated present value of fixed lease payments over the lease term. Leases are classified as financing or operating which will drive the expense recognition pattern. The Company has elected to exclude short-term leases. The Company adopted this guidance as of June 1, 2019, the required effective date, using the effective date transition method. An adjustment to opening accumulated deficit was not required in conjunction with adoption. The adoption of this statement resulted in a right-of-use asset being recorded in the amount of $1,942,999 and a lease liability being recorded in the amount of $1,980,970. On April 9, 2021, the Company exercised its second option to extend its lease for an additional five years. As part of that lease extension agreement, the Company was granted an additional right to extend its lease for five years, up through August 2031. However, given the recent growth in the Company’s operations, and the expectation that operations will continue to grow in the near future, the Company believes that it will be necessary to relocate into larger facilities by the end of the current lease term. Therefore, the Company has elected to not book the additional five-year extension option, from August 2026 to August 2031, into its right-of-use asset or its lease liability accounts. For additional information, see Note 9-Commitments and Contingencies. The Company has elected not to reassess whether expired or existing contracts contain leases, or reassess the classification of existing leases as of the adoption date. The Company leases office space and copy machines, all of which are operating leases. Most leases include the option to renew and the exercise of the renewal options is at the Company’s sole discretion. Options to extend or terminate a lease are considered in the lease term to the extent that the option is reasonably certain of exercise. The leases do not include the options to purchase the leased property. The depreciable life of assets and leasehold improvements are limited by the expected lease term.
Earnings Per Share, Policy [Policy Text Block] | NET LOSS PER SHARE Basic loss per share is computed as net loss divided by the weighted average number of common shares outstanding for the period. Diluted loss per share reflects the potential dilution that could occur from common shares issuable through stock options, warrants and other convertible securities using the treasury stock method. The total amounts of anti-dilutive stock options not included in the loss per share calculation for the years ended May 31, 2021 and 2020 were 2,081,366 and 1,789,251, respectively. The Company also had 0 and 321,429 of Series A 5% Convertible Preferred Stock outstanding for the years ended May 31, 2021 and 2020, respectively. The 321,429 shares outstanding at May 31, 2020 were converted to common stock during the year ended May 31, 2021.
Segment Reporting, Policy [Policy Text Block] | SEGMENT REPORTING ASC 280, Segment Reporting (“ASC 280”), establishes standards for reporting, by public business enterprises, information about operating segments, products and services, geographic areas, and major customers. The Company’s operations are analyzed by management and its chief operating decision maker as being part of a single industry segment: the design, development, marketing and sales of diagnostic kits.
Comprehensive Income, Policy [Policy Text Block] | REPORTING COMPREHENSIVE LOSS Comprehensive loss represents net loss and any revenues, expenses, gains and losses that, under GAAP, are excluded from net loss and recognized directly as a component of shareholders’ equity. Accumulated other comprehensive loss consists solely of foreign currency translation adjustments.
New Accounting Pronouncements, Policy [Policy Text Block] | RECENT ACCOUNTING PRONOUNCEMENTS Recent ASU's issued by the FASB and guidance issued by the SEC did not, or are not believed by management to, have a material effect on the Company’s present or future consolidated financial statements.

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