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Financings, Pre-Merger Financing, Series A & B Warrants (Details) $ / shares in Units, $ in Thousands | Jun. 29, 2020 USD ($) Director | Sep. 30, 2025 | Nov. 19, 2020 $ / shares shares
--- | --- | --- | ---
Securities Purchase Agreement [Member] |  |  |
Pre-Merger Financing [Abstract] |  |  |
Number of directors | Director | 5 |  |
Securities Purchase Agreement [Member] | Rexahn [Member] |  |  |
Pre-Merger Financing [Abstract] |  |  |
Number of directors | Director | 1 |  |
Securities Purchase Agreement [Member] | Investors [Member] |  |  |
Pre-Merger Financing [Abstract] |  |  |
Total investment | $ | $ 21,150 |  |
Securities Purchase Agreement [Member] | Directors [Member] |  |  |
Pre-Merger Financing [Abstract] |  |  |
Total investment | $ | $ 300 |  |
Series A Warrants [Member] |  |  |
Pre-Merger Financing [Abstract] |  |  |
Exercise price (in dollars per share) | $ / shares |  |  | $ 4.4795
Weighted average remaining contractual life |  | 5 years |
Warrant issued (in shares) | shares |  |  | 5,665,838

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