Share-based Compensation, Former Rexahn Options (Details) - Rexahn [Member] - $ / shares |
12 Months Ended | |
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Dec. 31, 2020 |
Nov. 05, 2020 |
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| Former Options [Abstract] | ||
| Number of shares outstanding (in shares) | 123 | 993 |
| Average remaining contractual life | 1 year 1 month 6 days | |
| Minimum [Member] | ||
| Former Options [Abstract] | ||
| Exercise price (in dollars per share) | $ 182.40 | |
| Maximum [Member] | ||
| Former Options [Abstract] | ||
| Exercise price (in dollars per share) | $ 600.00 |
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- References No definition available.
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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