Description of Business - Additional Information (Details) - USD ($) $ in Thousands |
1 Months Ended | |||||
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Mar. 31, 2016 |
Jun. 30, 2016 |
Dec. 31, 2015 |
[1] | |||
| Description Of Business [Line Items] | ||||||
| Accumulated deficit | $ (1,163,608) | $ (1,140,083) | ||||
| Cash, cash equivalents and marketable securities | $ 34,300 | |||||
| Servier [Member] | ||||||
| Description Of Business [Line Items] | ||||||
| Collaboration agreement termination date | Mar. 25, 2016 | |||||
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Cash and cash equivalents and marketable securities. No definition available.
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- Definition Collaboration agreement termination date. No definition available.
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- Definition Description of business. No definition available.
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- Details
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