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Long-Term Debt and Other Financings - Interest Expense and Amortization of Debt Issuance Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Interest expense and amortization of debt issuance costs [Abstract] |  |  |  |
Interest expense | $ 1,030 | $ 1,060 | $ 3,152 | $ 3,295
Hercules Loan [Member] |  |  |  |
Interest expense and amortization of debt issuance costs [Abstract] |  |  |  |
Interest expense | 665 |  | 1,551 |
Servier Loan [Member] |  |  |  |
Interest expense and amortization of debt issuance costs [Abstract] |  |  |  |
Interest expense | 278 | 583 | 806 | 1,770
GECC Term Loan [Member] |  |  |  |
Interest expense and amortization of debt issuance costs [Abstract] |  |  |  |
Interest expense |  | 398 | 548 | 1,268
Novartis Note [Member] |  |  |  |
Interest expense and amortization of debt issuance costs [Abstract] |  |  |  |
Interest expense | 84 | $ 79 | 243 | 234
Other [Member] |  |  |  |
Interest expense and amortization of debt issuance costs [Abstract] |  |  |  |
Interest expense | $ 3 |  | $ 4 | $ 23

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- References No definition available. + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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