Basis of Accounting, Policy [Policy Text Block]

2. Basis of Presentation

The unaudited condensed consolidated financial statements of Milestone Scientific have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information with the instructions for Form 10-Q and Article 8 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP for complete annual financial statements. In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments (consisting of normal recurring entries) necessary to fairly present such interim results. Interim results are not necessarily indicative of the results of operations which may be expected for a full year or any subsequent period. These unaudited consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2023, included in Milestone Scientific's Annual Report on Form 10-K.

Revenue [Policy Text Block]

4. Revenue Recognition

The Company recognizes revenue when its customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services. To perform revenue recognition, the Company performs the following five steps:

i.	identification of the promised goods or services in the contract;
ii.	determination of whether the promised goods or services are performance obligations including whether they are distinct in the context of the contract;
iii.	measurement of the transaction price, including the constraint on variable consideration;
iv.	allocation of the transaction price to the performance obligations based on estimated selling prices; and
v.	recognition of revenue when (or as) the Company satisfies each performance obligation. A performance obligation is a promise in a contract to transfer a distinct good or service to the customer and is the unit of account in ASC 606.

The Company derives its revenues from the sale of its products, primarily dental instruments, handpieces, and other related products. The Company sells its products directly to consumers in the United States and through a global distribution network that includes both exclusive and non-exclusive distribution agreements with related and third parties.

Revenue from product sales is recognized upon transfer of control of a product to a customer, generally upon date of shipment. The Company has no obligation on product sales for any installation, set-up, or maintenance, these being the responsibility of the buyer. Milestone Scientific's only obligation after sale is the normal commercial warranty against manufacturing defects if the alleged defective unit is returned within the warranty period.

E-Commerce

As of January 3, 2023, the Company launched an E-Commerce platform, selling and shipping STA Single Tooth Anesthesia Systems® (STA) and handpieces directly to dental offices and dental groups within the United States. Our E-commerce portal accepts online payments via credit and debit cards. The cost of delivery is charged to the customer along with appropriate sales tax. The Company recognizes revenue from product sales at the time the product ships to a customer via a third-party carrier.

Sales Returns

The Company records allowances for product returns as a reduction of revenue at the time product sales are recorded. Several factors are considered in determining whether an allowance for product returns is required, including the customers’ return rights and the Company’s historical experience with returns and the amount of product in the distribution channel not consumed by end users and subject to return. The Company relies on historical return rates to estimate returns.

Financing and Payment

The Company's payment terms differ by geography and customer, but payments from distributors are required within 90 days or less from the date of shipment. The E-commerce portal sells directly to end users and accepts online payments via credit and debit cards via a third-party. These payments from the third party are typically settled within two business days.

Disaggregation of Revenue

The Company operates in two operating segments: dental and medical. Therefore, the results of the Company's operations are reported on a consolidated basis for the purposes of segment reporting, consistent with internal management reporting. See Note 8 for revenues by geographical market, based on the customer’s location, and product category for the three and nine months periods ended September 30, 2024, and 2023, respectively.

Marketable Securities, Policy [Policy Text Block]

6. Marketable Securities

The Company’s marketable securities are comprised of treasury bills with original maturity greater than three months from date of purchase. The Company’s marketable securities are measured at fair value and are accounted for in accordance with ASC 825, Financial Instruments. Unrealized holding gains and losses on treasury bills are recorded in interest income on the unaudited consolidated statements of operations. Dividend and interest income are recognized when earned. Realized gains and losses are included in earnings and are derived using the specific identification method for determining the cost of the marketable securities. As of September 30, 2024, the Company did not hold any marketable securities. As of December 31, 2023 the Company held approximately $3.0 million in U.S. treasury securities, with maturity dates within 3 and 6 months.

Inventory, Policy [Policy Text Block]

8. Inventories

Inventories principally consist of finished goods and component parts stated at the lower of cost (first-in, first-out method) or net realizable value. Inventory quantities on hand are reviewed on a quarterly basis and a provision for excess, slow moving, defective, and obsolete inventory is recorded if required based on past and expected future sales, potential technological obsolescence, and product expiration requirements.

The valuation allowance creates a new cost basis for the inventory, and it is not subsequently marked up through a reduction in the valuation allowance based on any changes in the underlying facts and circumstances. When the valuation allowance is initially recorded, the increase to the allowance is recognized as an increase in cost of sales. The valuation allowance is only reduced if or when the underlying inventory is sold or destroyed, at which time cost of sales recognized would include the previous adjusted cost basis.

Fair Value of Financial Instruments, Policy [Policy Text Block]

10. Fair Value of Financial Instruments

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants in the principal market at the measurement date (exit price). The Company required us to classify fair value measurements in one of the following categories.

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Level 1 inputs which are defined as quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company can access at the measurement date.

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Level 2 inputs which are defined as inputs other than quoted prices included within Level 1 that are observable for the assets or liabilities, either directly or indirectly.

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Level 3 inputs are defined as unobservable inputs for the assets or liabilities.

Financial assets and liabilities are classified based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of an input to the fair value measurement requires judgment and may affect the valuation of the fair value of assets and liabilities and their placement within the fair value hierarchy levels.

As of September 30, 2024 the Company did not have assets measured at fair value on a recurring basis. As of December 31, 2023 the Company had the following assets that were measured at fair value on a recurring basis:

		Level 1				Level 2				Level 3				Total
Marketable Securities December 31, 2023		$	2,976,573				-				-			$	2,976,573

Marketable Securities included US Treasury securities totaling $2,976,573 that are considered to be highly liquid and easily transferable at December 31, 2023. US Treasury securities are valued using inputs observable in active markets for identical securities and are therefore classified at Level 1 within the Company fair value hierarchy.

New Accounting Pronouncements, Policy [Policy Text Block]

12. Recent Accounting Pronouncements

Recently Issued Accounting Pronouncement

In November 2023, FASB issued ASU 2023-07, Segment Reporting (Topic 280), Improvements to Reportable Segment Disclosures, which provides improvements to reportable segment disclosure requirements, primarily through enhanced disclosures around segment expenses. ASU 2023-07 requires us to disclose significant segment expenses that are regularly provided to the chief operating decision maker (“CODM”) and included within each reported measure of segment profit or loss. ASU 2023-07 also requires that the Company disclose an amount for other segment items by reportable segment, a description of their composition and provide all annual disclosures about a reportable segment’s profit or loss and assets pursuant to Topic 280 during interim periods. The Company must also disclose the CODM’s title and position, as well as certain information around the measures used by the CODM and an explanation of how the CODM uses the reported measures in assessing segment performance and deciding how to allocate resources. For public entities with a single reportable segment, the entity must provide all the disclosures required pursuant to ASU 2023-07 and all existing segment disclosures under Topic 280. The amendments of ASU 2023-07 are effective for the Company for annual periods beginning January 1, 2024, and effective for interim periods beginning January 1, 2025. Early adoption is permitted for annual financial statements that have not yet been issued or made available for issuance. The Company expects to adopt this standard effective January 1, 2024, at December 31, 2024 on the Company’s annual Form 10-K filing. The Company expects to update all required disclosures pursuant to this ASU 2023-07 at that time. The Company is evaluating the impact of ASU 2023-07 on our financial statements.

In December 2023, FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, to enhance the transparency and decision usefulness of income tax disclosures. The amendments in ASU 2023-09 provide improvements primarily related to the rate reconciliation and income taxes paid information included in income tax disclosures. The Company would be required to disclose additional information regarding reconciling items equal to or greater than five percent of the amount computed by multiplying pretax income (loss) by the applicable statutory tax rate. Similarly, the Company would be required to disclose income taxes paid (net of refunds received) equal to or greater than five percent of total income taxes paid (net of refunds received). Additionally, the Company would be required to disclose income (loss) from continuing operations before income tax expense disaggregated by foreign and domestic jurisdictions, as well as income tax expense disaggregated by federal, state, and foreign jurisdictions. The amendments in ASU 2023-09 are effective January 1, 2025, including interim periods. Early adoption is permitted for annual financial statements that have not yet been issued or made available for issuance. The Company is currently evaluating the impact of ASU 2023-09 on our financial statements.