Discontinued Operations (Discontinued Operations in the Company's Consolidated Statement of Financial Position) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Assets of discontinued operations $ 0 $ 3,029
Tranzyme Pharma Inc. [Member]
   
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Prepaid expenses and other current assets 0 178
Property and equipment 0 356
Intangible assets, net 0 2,053
Goodwill 0 442
Assets of discontinued operations 0 3,029
Accounts payable 0 106
Deposit on sale of assets 0 3,000
Accrued liabilities 0 397
Liabilities of discontinued operations $ 0 $ 3,503