Fair Value Measurements - Outstanding Debt Carrying Amount and Estimated Fair Value (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Interest-bearing obligations, Carrying Amount | $ 43,167 | $ 48,667 |
| Interest bearing obligations, Fair Value | 42,531 | 49,810 |
| Hercules Term Loan [Member] | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Interest-bearing obligations, Carrying Amount | 16,850 | 19,653 |
| Interest bearing obligations, Fair Value | 16,453 | 21,231 |
| Servier Loan [Member] | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Interest-bearing obligations, Carrying Amount | 12,231 | 15,331 |
| Interest bearing obligations, Fair Value | 12,242 | 15,185 |
| Novartis Note [Member] | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Interest-bearing obligations, Carrying Amount | 14,086 | 13,683 |
| Interest bearing obligations, Fair Value | $ 13,836 | $ 13,394 |
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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 Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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