Stockholders' Equity (Restricted Stock Unit Activity) (Details) - shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2022 |
Dec. 31, 2021 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding at Beginning of Period | 1,685,141 | 1,436,728 |
| Awarded, Shares | 78,420 | 654,663 |
| Canceled/forfeited/expired, Shares | (406,250) | |
| Outstanding at End of Period | 1,763,561 | 1,685,141 |
| Vested at end of period | 1,763,561 |
| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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