Stock-Based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2021 |
Mar. 31, 2020 |
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| Stock-based compensation expense related to stock-based awards | ||
| Total stock-based compensation expense | $ 2,639 | $ 2,024 |
| Selling, general and administrative | ||
| Stock-based compensation expense related to stock-based awards | ||
| Total stock-based compensation expense | 2,053 | 1,330 |
| Research and development | ||
| Stock-based compensation expense related to stock-based awards | ||
| Total stock-based compensation expense | $ 586 | $ 694 |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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