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Financial Instruments and Fair Value Measurements (Details Textual)
3 Months Ended 9 Months Ended
Sep. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
Sep. 30, 2014
USD ($)
Milestone
Sep. 30, 2013
USD ($)
Sep. 30, 2014
Immaterial Acquisition 2012 [Member]
USD ($)
Sep. 30, 2014
Immaterial Acquisition 2012 [Member]
EUR (€)
Investments, Debt and Equity Securities [Abstract]            
Impairment charges recorded for earnings     $ 0      
Business Acquisition [Line Items]            
Goodwill and Intangible Asset Impairment 0 0 10,708,000 0    
Maximum additional payment the Company is contingently obligated to make due to Cervitech acquisition           2,000,000
Acquisition-related liabilities         $ 600,000  
Number of milestone     2