Stockholders' Equity - Restricted Stock Units and Restricted Stock Awards - Unrecognized stock-based compensation expense (Details) - Unvested restricted stock units/awards $ in Millions |
6 Months Ended |
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Jun. 30, 2022
USD ($)
shares
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| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract] | |
| Unrecognized stock-based compensation expense | $ | $ 0.1 |
| Unrecognized stock-based compensation expense, remaining weighted-average vesting period | 2 years 2 months 12 days |
| Shares of restricted stock outstanding which are performance-based and vest upon achievement of certain corporate milestones | shares | 50,000 |
| X | ||||||||||
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding which are performance-based and vest upon achievement of certain corporate milestones as of the balance sheet date. No definition available.
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- References No definition available.
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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