Stockholders Equity and Stock-Based Compensation (Details 1) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Stockholders Equity and Stock-Based Compensation | ||||
| Research and development expenses | $ 0.1 | $ 0.0 | $ 0.1 | $ 0.1 |
| General and administrative expenses | 0.3 | 0.3 | 0.7 | 0.5 |
| Total stock-based compensation expense | $ 0.4 | $ 0.3 | $ 0.8 | $ 0.6 |
| X | ||||||||||
- Definition Amount of paid and unpaid stock dividends declared for award under share-based payment arrangement. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of general and administrative expense classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of other research and development expense. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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