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Discontinued Operations (Details) (Tranzyme Pharma Inc. [Member], USD $)
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3 Months Ended | 6 Months Ended | |
|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 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 | ||
| Income due to the true-up of certain Canadian tax liabilities | 20,000 | ||
| Net gain on disposal of assets | 0 | 1,149,000 | |
| Recognition of accumulated translation adjustments upon deconsolidation of subsidiary | $ 0 | $ (6,000) |