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Other Balance Sheet Details - Contingent Liabilities (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Business Acquisition [Line Items] |  |  |
Revenue royalty payable on all Cydex-related revenue (percent) | 20.00% |  |
Cydex-related revenue amount that triggers royalty payments | $ 15,000,000.0 |  |
Additional revenue royalty payable when higher threshold of Cydex-related revenue met (percent) | 10.00% |  |
Cydex-related revenue amount that triggers additional royalty payments | $ 35,000,000.0 |  |
Contingent Liability [Roll Forward] |  |  |
Commercial rights, beginning | 13,500,000 | $ 15,200,000 |
Payments | (8,777,000) | (6,740,000) | $ (3,493,000)
Fair Value Adjustment | 3,400,000 | 5,000,000 |
Commercial rights, ending | 8,100,000 | 13,500,000 | 15,200,000
CyDex |  |  |
Contingent Liability [Roll Forward] |  |  |
Commercial rights, beginning | 9,500,000 | 11,497,000 |
Payments | (6,158,000) | (5,848,000) |
Fair Value Adjustment | 3,259,000 | 3,800,000 |
Commercial rights, ending | 6,600,000 | 9,500,000 | 11,497,000
Metabasis |  |  |
Contingent Liability [Roll Forward] |  |  |
Commercial rights, beginning | 4,000,000 | 3,652,000 |
Payments | (2,618,000) | (865,000) |
Fair Value Adjustment | 74,000 | 1,172,000 |
Commercial rights, ending | $ 1,500,000 | $ 4,000,000 | $ 3,652,000

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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. + References No definition available. + Details
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- Details
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- Details
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