Stock-based Compensation, Restricted Stock Awards Activity (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Nov. 11, 2020 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Ocuphire Restricted Stock Awards [Abstract] | |||
| Stock based compensation | $ 1,807,000 | $ 1,914,000 | |
| Ocuphire Restricted Stock Awards [Member] | |||
| Ocuphire Restricted Stock Awards [Abstract] | |||
| Stock based compensation | $ 0 | $ 22,000 | |
| Summary of RSA Activity [Abstract] | |||
| Non-vested at beginning (in shares) | 0 | 40,000 | |
| Granted (in shares) | 40,000 | 0 | 0 |
| Vested (in shares) | (40,000) | ||
| Non-vested at ending (in shares) | 0 | ||
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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