Stock-based Compensation, Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2022 |
Dec. 31, 2021 |
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| Stock-based Compensation Expense [Abstract] | ||
| Stock based compensation | $ 1,807 | $ 1,914 |
| General and Administrative [Member] | ||
| Stock-based Compensation Expense [Abstract] | ||
| Stock based compensation | 1,060 | 1,116 |
| Research and Development [Member] | ||
| Stock-based Compensation Expense [Abstract] | ||
| Stock based compensation | $ 747 | $ 798 |
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- 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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- References No definition available.
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