Discontinued Operations (Details) - Tranzyme Pharma Inc - Discontinued Operations, Disposed of by Sale - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2015 |
Dec. 31, 2014 |
Dec. 13, 2013 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Sale price for discontinued operations | $ 4.0 | |||
| Net gain on disposal of assets | $ 1.1 | |||
| Income recorded in discontinued operations | $ 0.2 | $ 0.2 |