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Discontinued Operations (Details) (Tranzyme Pharma Inc. [Member], USD $)
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3 Months Ended | |
|---|---|---|
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Mar. 31, 2014
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Dec. 13, 2013
Customer Agreements And Intellectual Property [Member]
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| Restructuring Cost and Reserve [Line Items] | ||
| Sale price for discontinued operations | $ 4,000,000 | |
| Net gain on disposal of assets | 1,149,000 | |
| Recognition of accumulated translation adjustments upon deconsolidation of subsidiary | $ (29,000) |