Fair Value Measurements - Additional Information (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2019 |
Dec. 31, 2020 |
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| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
| Changes in estimated fair value of contingent consideration | $ 0 | |
| Rezolute [Member] | Common Stock Purchase Agreement [Member] | Forecast [Member] | ||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | ||
| Maximum number of shares of common stock sold back | 5,000,000 |
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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 Changes in estimated fair value of contingent consideration. No definition available.
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- Definition Sale of stock in subsidiary maximum number of shares sold in transaction. No definition available.
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