Fair Value Measurements - Debt (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Carrying Amount | ||
| Fair Value Measurements | ||
| Long-term debt | $ 20,852 | $ 32,277 |
| Carrying Amount | Silicon Valley Bank Loans | ||
| Fair Value Measurements | ||
| Long-term debt | 11,759 | 16,374 |
| Carrying Amount | Novartis Note | ||
| Fair Value Measurements | ||
| Long-term debt | 9,093 | 15,903 |
| Fair Value | ||
| Fair Value Measurements | ||
| Long-term debt | 20,802 | 31,761 |
| Fair Value | Silicon Valley Bank Loans | ||
| Fair Value Measurements | ||
| Long-term debt | 11,747 | 16,048 |
| Fair Value | Novartis Note | ||
| Fair Value Measurements | ||
| Long-term debt | $ 9,055 | $ 15,713 |
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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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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. No definition available.
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