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Description of Business | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Description of Business | Note 1. Description of Business (As Restated) Eledon Pharmaceuticals, Inc. is a clinical stage biotechnology company using its immunology expertise in targeting the CD40 Ligand (“CD40L” or “CD154”) pathway to develop therapies to protect transplanted organs and prevent rejection, and to treat amyotrophic lateral sclerosis (“ALS”). The Company’s lead compound in development is tegoprubart, an IgG1, anti-CD40L antibody with high affinity for the CD40 Ligand, a well-validated biological target that we believe has broad therapeutic potential. Unless otherwise indicated, references to the terms “Eledon,” “our,” “us,” “we,” or the “Company” refer to Eledon Pharmaceuticals, Inc. and its wholly owned subsidiaries, on a consolidated basis. On September 14, 2020, Eledon acquired Anelixis Therapeutics, Inc. (“Anelixis”), a privately held clinical stage biotechnology company developing a next generation anti-CD40L antibody as a potential treatment for organ and cellular transplantation, autoimmune diseases, and neurodegenerative diseases. The Company maintains its corporate headquarters in Irvine, California and has research and development facilities in Burlington, Massachusetts. Restatement of Previously Consolidated Issued Financial Statements In the course of preparing the Company’s Condensed Consolidated Financial Statements as of and for the three and six months ended June 30, 2024, the Company determined that the Common Warrants and the Subsequent Closing Warrants (See Note 10) do not meet the conditions to be classified as equity instruments under ASC 815-40, “Derivatives and Hedging — Contracts in Entity’s Own Equity,” (“ASC 815-40”) and must instead be recorded as liabilities on the Company’s consolidated balance sheet at their fair value and remeasured at fair value for each subsequent reporting period. As a result, the Company determined that a correction was necessary with respect to the Company’s reporting and recording of the fair value of the Common Warrants and the Subsequent Closing Warrants. Certain consolidated financial statements and financial information are presented herein as restated. See Note 13 for further information.

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- Definition The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 235 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//235/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 275 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//275/tableOfContent Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//205/tableOfContent + Details
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