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Note 1 - Basis of Presentation | 6 Months Ended
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Jun. 30, 2025
Notes to Financial Statements |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | 1. Basis of Presentation The LGL Group, Inc. is a holding company engaged in services, merchant investment, and manufacturing business activities. The Company was incorporated in 1928 under the laws of the State of Indiana and reincorporated under the laws of the State of Delaware in 2007. Unless the context indicates otherwise, the terms "LGL," "LGL Group," "we," "us," "our," or the "Company" mean The LGL Group, Inc. and its consolidated subsidiaries. The Company’s manufacturing business is operated through its subsidiary Precise Time and Frequency, LLC ("PTF"), which has operations in Wakefield, Massachusetts. PTF is engaged in the design of high-performance Frequency and Time Reference Standards that form the basis for timing and synchronization in various applications. These unaudited Condensed Consolidated Financial Statements do not include all disclosures that are normally included in annual financial statements prepared in accordance with accounting principles generally accepted in the United States ("U.S. GAAP") and should be read in conjunction with the audited Consolidated Financial Statements and the related notes included in our Annual Report on Form 10-K for the year ended December 31, 2024 (the "2024 Annual Report") filed with the Securities and Exchange Commission (the "SEC") on March 31, 2025. The consolidated financial information as of December 31, 2024 included herein has been derived from the audited Consolidated Financial Statements in the 2024 Annual Report The Condensed Consolidated Financial Statements include the accounts of The LGL Group, Inc., its majority-owned subsidiaries, and variable interest entities ("VIEs") of which we are the primary beneficiary. In the opinion of management, these Condensed Consolidated Financial Statements contain all adjustments (consisting of normal recurring adjustments, including eliminations of material intercompany accounts and transactions) considered necessary for a fair statement of the results presented herein. Operating results for the three and six months ended June 30, 2025 are not necessarily indicative of the results that may be expected for the full year ending December 31, 2025.

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