Discontinued Operations (Details) (Tranzyme Pharma Inc. [Member], USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Dec. 13, 2013
Customer Agreements And Intellectual Property [Member]
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)