Condensed Consolidated Financial Statements Details - Additional Information (Details) - USD ($) |
3 Months Ended | |||||
|---|---|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
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| Long-term Equity Securities [Line Items] | ||||||
| Long-term equity securities | $ 1,107,000 | $ 392,000 | [1] | |||
| Gain (loss) recognized due to change in fair value of investment | 715,000 | |||||
| Rezolute [Member] | ||||||
| Long-term Equity Securities [Line Items] | ||||||
| Long-term equity securities | 1,100,000 | $ 400,000 | ||||
| Gain (loss) recognized due to change in fair value of investment | $ 700,000 | $ 0 | ||||
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity securities FvNi non current. No definition available.
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| X | ||||||||||
- Definition Long term equity securities. No definition available.
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| X | ||||||||||
- Details
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