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Note 1 - The Company and Description of Business | 9 Months Ended
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Sep. 30, 2023
Notes to Financial Statements |
Nature of Operations [Text Block] | 1. The Company and Description of Business The Company, a corporation organized under the laws of the state of Delaware and headquartered in Boston, Massachusetts, is a clinical-stage biotechnology company developing treatments for degenerative diseases of the brain. The Company is currently developing its product candidate neflamapimod, an investigational orally administered small molecule brain penetrant that inhibits p38α. Neflamapimod has the potential to treat synaptic dysfunction, the reversible aspect of the underlying neurodegenerative processes that cause disease in DLB and certain other major neurological disorders, and is currently being evaluated in a Phase 2b study in patients with DLB. On March 30, 2023, the Company, Merger Sub, and EIP entered into the Merger Agreement (Note 4), pursuant to which, at the Effective Time, Merger Sub merged with and into EIP, with EIP surviving the Merger as a wholly-owned subsidiary of the Company. In connection with the Merger, on August 16, 2023, the Company changed its corporate name from “Diffusion Pharmaceuticals Inc.” to “CervoMed Inc.” On August 16, 2023, Diffusion approved a one-for-1.5 reverse stock split which was consummated for historical Diffusion shares in connection with the Merger. In addition, upon consummation of the Merger, all historical EIP shares were adjusted using an exchange ratio of .1151. All information in the accompanying unaudited condensed consolidated interim financial statements and notes thereto regarding share amounts of common stock, price per share of common stock and the conversion factor for preferred stock into common stock have been adjusted to reflect the application of the reverse stock split and the exchange ratio on a retroactive basis. All shares of EIP common stock outstanding immediately prior to the Effective Time, after giving effect to the conversion of EIP preferred stock and the Convertible Notes (and excluding shares held as treasury stock by EIP, shares held or owned by the Company and any dissenting shares), converted into the right to receive, in the aggregate, 4,314,033 shares of the Company’s common stock and prefunded warrants to purchase 495,995, based on an exchange ratio of 0.1151.

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- Definition The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Topic 275 -Publisher FASB -URI https://asc.fasb.org//275/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -SubTopic 10 -Topic 275 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482861/275-10-50-1 + Details
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