Stock-based Compensation, Former Rexahn Options (Details) - Rexahn [Member] - shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Former Options [Abstract] | ||
| Number of shares outstanding (in shares) | 0 | 123 |
| Number of options expired (in shares) | 82 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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