Stock-based Compensation, Share-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2022 |
Mar. 31, 2021 |
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Stock-based Compensation Expense [Abstract] | ||
Stock based compensation | $ 445 | $ 494 |
General and Administrative [Member] | ||
Stock-based Compensation Expense [Abstract] | ||
Stock based compensation | 295 | 193 |
Research and Development [Member] | ||
Stock-based Compensation Expense [Abstract] | ||
Stock based compensation | $ 150 | $ 301 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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