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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2025

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Note 3 Summary of Significant Accounting Policies

Basis of Presentation and Preparation

The accompanying consolidated financial statements include the accounts of Capstone and its consolidated subsidiaries (collectively, the “Company”). Intercompany accounts and transactions have been eliminated. Prior-year amounts may include instances of changes to prior-year amounts to achieve comparability to the most recent fiscal year.

The accompanying unaudited interim consolidated financial statements have been prepared in accordance with GAAP for interim financial information and with the rules and regulations for reporting the Quarterly Report on Form 10-Q (“Form 10-Q”). Accordingly, they do not include all of the information and notes required by GAAP for annual consolidated financial statements.

The consolidated balance sheet at December 31, 2024 has been derived from the audited consolidated financial statements at that date but does not include all of the information and notes required by GAAP for complete financial statements. These financial statements have been prepared on a basis that is consistent with the accounting principles applied in our Annual Report on Form 10-K for the fiscal year ended December 31, 2024 (“2024 Form 10-K”). This report should be read in conjunction with our 2024 Form 10-K filed with the SEC on March 31, 2025.

In our opinion, the accompanying unaudited interim consolidated financial statements include all normal and recurring adjustments (which consist primarily of accruals, estimates, and assumptions that impact the financial statements) considered necessary to present fairly the Company’s financial position as of September 30, 2025 and its results of operations, cash flows, and changes in stockholders’ deficit for the three and nine months ended September 30, 2025 and 2024. The results for the three and nine months ending September 30, 2025, are not necessarily indicative of the results expected for any future period or the full year.

Use of Estimates

The preparation of financial statements in accordance with US GAAP requires management to make a number of assumptions and estimates that affect the reported amounts of assets, liabilities, and expenses in our financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management’s assumptions regarding current events and actions that may impact on the Company in the future, actual results may differ from these estimates and assumptions.

Business Combinations

The Company accounts for business acquisitions using the acquisition method of accounting, in accordance with which assets acquired and liabilities assumed are recorded at their respective fair values at the acquisition date. The fair value of the consideration paid, including contingent consideration, is assigned to the assets acquired and liabilities assumed based on their respective fair values. Goodwill represents the excess of the purchase price over the estimated fair values of the assets acquired and liabilities assumed.

The Company’s management exercises significant judgments in determining the fair value of assets acquired and liabilities assumed, as well as intangibles and their estimated useful lives. Fair value and useful life determinations are based on, among other factors, estimates of future expected cash flows and appropriate discount rates used in computing present values. These judgments may materially impact the estimates used in allocating acquisition date fair values to assets acquired and liabilities assumed, as well as the Company’s current and future operating results. Actual results may vary from these estimates which may result in adjustments to goodwill and acquisition date fair values of assets and liabilities during a measurement period or upon a final determination of asset and liability fair values, whichever occurs first. Adjustments to the fair value of assets and liabilities made after the end of the measurement period are recorded within the Company’s operating results.

Accounts Receivable

Accounts receivable are recorded and carried at the original invoiced amount less an allowance for any potential uncollectible amounts. The Company estimates expected credit losses for the allowance for expected credit losses based upon its assessment of various factors, including historical experience, the age of the accounts receivable balances, credit quality of its customers, current economic conditions, reasonable and supportable forecasts of future economic conditions, and other factors that may affect the Company’s ability to collect from customers. As of September 30, 2025 and December 31, 2024, the allowance for doubtful accounts totaled approximately $104.0 thousand.

Certain of the Company’s contracts with customers include retainage provisions. Retainage represents amounts withheld from billings by customers until installation work has been inspected to ensure that obligations have been satisfied under the contract. Company invoices retainage and includes it in contract receivables when obligations have been satisfied and the right to receipt is subject only to the passage of time. As of September 30, 2025, retainage receivables were $162.0 thousand. There were no retainage receivables as of December 31, 2024.

Inventories

Inventories consisting of finished goods are stated at the lower of cost, determined by the average cost method, or net realizable value. Inventories also include deposits placed on inventory purchases for shipments not yet received. Significant prepaid inventory may be located overseas. At September 30, 2025 and December 31, 2024, the total prepaid inventory balance was $219.0 thousand and $163.0 thousand, respectively. The reserve for obsolete inventory at September 30, 2025 and December 31, 2024, totaled $608.0 and $576.0 thousand, respectively.

Property and Equipment

Property and equipment is stated at cost and is depreciated over the estimated useful lives ranging from three to forty years. Depreciation is computed by using the straight-line method for financial reporting purposes and straight-line and accelerated methods for income tax purposes. Property and equipment is comprised of building, machinery & equipment, computer equipment, leasehold improvements, software, office equipment, vehicles, and furniture & fixtures. Maintenance and repairs are charged to expense as incurred. Depreciation and amortization expense on property and equipment for the three and nine months ended September 30, 2025 and 2024 were $63.0 and $71.0 thousand and $192.0 and $209.0 thousand, respectively.

Goodwill and Other Intangible Assets

Goodwill represents costs in excess of fair values assigned to the underlying net assets of acquired businesses. Goodwill and indefinite lived intangible assets are not amortized but rather are tested for impairment annually as of the 1^st day of the fourth quarter of each year or more frequently if indications of potential impairment exist. The Company’s goodwill is recognized in two reporting units, TotalStone and Carolina Stone.

In evaluating potential goodwill impairment, we first assess qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying value. If, based on a review of qualitative factors, it is more likely than not that the fair value of a reporting unit is less than its carrying value, we perform a quantitative analysis. If the quantitative analysis indicates the carrying value of a reporting unit exceeds its fair value, we measure any goodwill impairment losses as the amount by which the carrying amount of a reporting unit exceeds its fair value, not to exceed the total amount of goodwill allocated to that reporting unit. The Company determined that no impairment was required for the periods presented.

Intangible assets with finite lives, consist of a distribution agreement, customer relationships and non-compete agreements that are amortized over the terms of the agreements or expected useful lives.

Long-lived Asset Impairments

Long-lived assets and finite lived identifiable intangibles are reviewed for impairment whenever events of changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of the assets is measured by a comparison of the carrying amount of an asset to future undiscounted net cash flows expected to be generated by the asset. If such assets are considered to be impaired, the impairment to be recognized is measured by the amount of which the carrying amount of the assets exceeds the fair value of the assets. The Company determined that no impairment was required for the periods presented.

Convertible Debt

The Company accounts for convertible debt in accordance with ASC 470-20, Debt – Debt with Conversion and Other Options. Convertible debt instruments are evaluated at issuance to determine whether they contain embedded features that require bifurcation as derivatives or equity components. If the embedded conversion feature meets the criteria for derivative accounting under ASC 815, Derivatives and Hedging, it is bifurcated and recorded separately at fair value, with subsequent changes in fair value recognized in earnings. Upon modification, conversion or repurchase of convertible debt, the Company evaluates the potential of a gain or loss in accordance with ASC 470-20 and ASC 470-50, Debt Modifications and Extinguishments.

Revenue Recognition

Our sales primarily consist of distributing manufactured and natural stone cladding products, natural stone landscape products, and related goods for residential and commercial construction through a dealer network in 32 states in the Midwestern, Northeastern and Southeastern United States. For distribution sales, the Company recognizes revenue when control over the products has been transferred to the customer, and the Company has a present right to payment. For installation and project-based work, the Company recognizes revenue over time as performance obligations are satisfied. For production and custom residential jobs, revenue is generally recognized upon completion, as substantially all projects are short-term in nature. A small portion of commercial projects are recognized based on progress toward completion, typically through monthly billings.

Shipping and Handling

The Company includes amounts billed to customers related to shipping and handling and shipping and handling expenses in cost of goods sold.

Earnings Per Share

Basic earnings (loss) per share is computed by dividing the net income (loss) applicable to the common stockholders of Capstone Holding Corp. by the weighted average number of shares of common stock outstanding during the year. Diluted earnings (loss) per share is computed by dividing the net income (loss) applicable to common stockholders by the weighted average number of common shares outstanding plus the number of additional common shares that would have been outstanding if all dilutive potential common shares had been issued, using the treasury stock method and the if-converted method for convertible notes. Potential common shares are excluded from the computation when their effect is antidilutive.

For the nine months ended September 30, 2025 and 2024, the calculations of basic and diluted loss per share are the same because potential dilutive securities would have had an anti-dilutive effect. The number of incremental common shares from potentially dilutive securities consisted of the following:

	September 30, 2025		September 30, 2024

Stock options		150		900
Convertible notes		2,572,966		—
Warrants		6,322		6,322

Recent Accounting Pronouncements

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which requires companies to disclose disaggregated information related to the effective tax rate reconciliation and income taxes paid. This guidance is effective for public entities for fiscal years beginning after December 15, 2024. We do not anticipate the adoption of this guidance will have a material impact on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-03, Disaggregation of Income Statement Expenses, which requires disclosures about specific types of expenses included in expense captions presented on the face of the Consolidated Statement of Operations. This guidance is effective for public entities for fiscal years beginning after December 15, 2026. We are currently reviewing this guidance and its impact on our consolidated financial statements.

In November 2024, the FASB issued ASU 2024-04, Debt—Debt with Conversion and Other Options (Subtopic 470-20): Induced Conversions of Convertible Debt Instruments, which clarifies the assessment of whether certain settlements of convertible debt instruments should be accounted for as an inducement conversion or extinguishment of convertible debt. The new guidance is effective for annual reporting periods beginning after December 15, 2025, and interim periods within those annual periods. We are currently reviewing this guidance and its impact on our consolidated financial statements.