Stockholders Equity and Stock-Based Compensation (Details1) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Stockholders Equity and StockBased Compensation | ||||
| General and administrative expenses | $ 0.3 | $ 0.2 | $ 0.5 | $ 0.4 |
| Research and development expenses | 0.0 | 0.0 | 0.1 | 0.0 |
| Total stock-based compensation expense | $ 0.3 | $ 0.2 | $ 0.6 | $ 0.4 |
| 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://www.xbrl.org/2009/role/commonPracticeRef
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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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