Stock-based Compensation, Share-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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Stock-based Compensation Expense [Abstract] | ||||
Stock-based compensation | $ 445 | $ 463 | $ 890 | $ 957 |
General and Administrative [Member] | ||||
Stock-based Compensation Expense [Abstract] | ||||
Stock-based compensation | 276 | 288 | 571 | 481 |
Research and Development [Member] | ||||
Stock-based Compensation Expense [Abstract] | ||||
Stock-based compensation | $ 169 | $ 175 | $ 319 | $ 476 |
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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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