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v3.19.1

Fair Value Measurements - Assets and Liabilities at Fair Value (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Assets: |  |
Short-term investments | $ 1,383,083 | $ 647,408
Investment in warrants | 13,233 | 9,257
Total assets | 1,396,316 | 656,665
Liabilities: |  |
Amounts owed to former licensor | 147 | 199
Total liabilities | 13,768 | 12,741
Transferred over Time | Phase 3 Clinical Trial |  |
Liabilities: |  |
Contract asset | 10,000 |
Maximum | Transferred over Time | Development, Regulatory, & Commercial Milestones and Tiered Royalties |  |
Liabilities: |  |
Investments | 375,000 |
Crystal |  |
Liabilities: |  |
Contingent liabilities | 4,976 | 6,477
CyDex |  |
Liabilities: |  |
Contingent liabilities | 464 | 514
Metabasis |  |
Liabilities: |  |
Contingent liabilities | 8,181 | 5,551
Level 1 |  |
Assets: |  |
Short-term investments | 67,458 | 47,517
Investment in warrants | 12,723 | 9,257
Total assets | 80,181 | 56,774
Liabilities: |  |
Amounts owed to former licensor | 147 | 199
Total liabilities | 147 | 199
Level 1 | Crystal |  |
Liabilities: |  |
Contingent liabilities | 0 | 0
Level 1 | CyDex |  |
Liabilities: |  |
Contingent liabilities | 0 | 0
Level 1 | Metabasis |  |
Liabilities: |  |
Contingent liabilities | 0 | 0
Level 2 |  |
Assets: |  |
Short-term investments | 1,315,625 | 599,891
Investment in warrants | 0 | 0
Total assets | 1,315,625 | 599,891
Liabilities: |  |
Amounts owed to former licensor | 0 | 0
Total liabilities | 0 | 5,551
Level 2 | Crystal |  |
Liabilities: |  |
Contingent liabilities | 0 | 0
Level 2 | CyDex |  |
Liabilities: |  |
Contingent liabilities | 0 | 0
Level 2 | Metabasis |  |
Liabilities: |  |
Contingent liabilities | 0 | 5,551
Level 3 |  |
Assets: |  |
Short-term investments | 0 | 0
Investment in warrants | 510 | 0
Total assets | 510 | 0
Liabilities: |  |
Amounts owed to former licensor | 0 | 0
Total liabilities | 13,621 | 6,991
Level 3 | Crystal |  |
Liabilities: |  |
Contingent liabilities | 4,976 | 6,477
Level 3 | CyDex |  |
Liabilities: |  |
Contingent liabilities | 464 | 514
Level 3 | Metabasis |  |
Liabilities: |  |
Contingent liabilities | $ 8,181 | $ 0

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