Nature of Business |
6 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Nature of Business | 1. NATURE OF BUSINESS Aldeyra Therapeutics, Inc., together with its wholly owned subsidiaries (the “Company” or “Aldeyra”), a Delaware corporation, is a clinical-stage biotechnology company devoted to discovering and developing innovative therapies designed to treat immune-mediated diseases. The principal activities of the Company to date include research and development activities along with related general business planning. |