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Description of Business and Summary of Significant Accounting Policies | 3 Months Ended
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Mar. 31, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Description of Business and Summary of Significant Accounting Policies | DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Nature of the Business—The “Company” or “AtriCure” consists of AtriCure, Inc. and its wholly-owned subsidiaries. AtriCure is a leading innovator in surgical treatments and therapies for atrial fibrillation (Afib), left atrial appendage (LAA) management and post-operative pain management, and sells its products to medical centers globally through both its direct sales force and distributors. Basis of Presentation—The accompanying interim financial statements have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (SEC). All intercompany accounts and transactions have been eliminated in consolidation. The accompanying interim financial statements are unaudited, but in the opinion of the Company’s management, contain all normal, recurring adjustments considered necessary to present fairly the financial position, results of operations and cash flows for the periods presented in conformity with accounting principles generally accepted in the United States of America (GAAP) applicable to interim periods. Certain information and footnote disclosures included in annual financial statements prepared in accordance with GAAP have been omitted or condensed. The Company believes the disclosures herein are adequate to make the information presented not misleading. Results of operations are not necessarily indicative of the results expected for the full year or for any future period. The accompanying interim financial statements should be read in conjunction with the Company’s audited financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025 filed with the SEC. Except as discussed herein, there have been no changes in the Company's significant accounting policies for the three months ended March 31, 2026 as compared to the significant accounting policies described in the Company's Annual Report on Form 10-K for the year ended December 31, 2025. Use of Estimates—The preparation of the financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expense. Actual results could differ from those estimates. Segments—The Company evaluates reporting segments in accordance with the Financial Accounting Standards Board's (FASB) Accounting Standards Codification (ASC) 280, "Segment Reporting". The chief operating decision maker for AtriCure is the Chief Executive Officer. The Company has one business activity and operates as one operating segment: the development, manufacture and sale of devices used by physicians in surgical procedures, designed primarily for the surgical ablation of cardiac tissue, the exclusion of the left atrial appendage and ablation of peripheral nerves to temporarily block pain. These devices are developed and marketed to a broad base of medical centers globally. Management considers all such sales to be part of the single operating segment. The Chief Executive Officer is regularly provided with consolidated expenses consistent with the presented consolidated statements of operations, accompanied by information about revenue by product type and geographic area, for purposes of allocating resources and net income (loss) is the measure used in evaluating financial performance. Revenue by product type and geographic area is included at Note 9 – Revenue. The Company’s long-lived assets are located in the United States, except for $6,017 as of March 31, 2026 and $6,292 as of December 31, 2025 located primarily in Europe.

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- Definition The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/810/tableOfContent Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 205 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/205/tableOfContent + Details
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