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Summary of Significant Accounting Policies (Details)
3 Months Ended 12 Months Ended
Jun. 30, 2015
USD ($)
reporting_unit
Dec. 31, 2015
USD ($)
reporting_unit
Dec. 31, 2014
USD ($)
reporting_unit
Dec. 31, 2013
USD ($)
Property, Plant and Equipment [Line Items]        
Concentration Risk, Percentage   0.00%    
Number of reporting units (reporting_unit) | reporting_unit 2 2 2  
Goodwill, impairment   $ 18,200,000 $ 0  
Clinical Services Reimbursement   $ 3,400,000 $ 3,700,000 $ 2,100,000
Revene Recognition Period for Cryoperservation Process   24 hours    
Building and Building Improvements [Member] | Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P25Y    
Building and Building Improvements [Member] | Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P30Y    
Machinery and Equipment [Member] | Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P8Y    
Machinery and Equipment [Member] | Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P12Y    
Lab Equipment [Member] | Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P5Y    
Lab Equipment [Member] | Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P7Y    
Furniture and Fixtures [Member] | Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P5Y    
Furniture and Fixtures [Member] | Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P12Y    
Computer Software, Intangible Asset [Member] | Minimum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P3Y    
Computer Software, Intangible Asset [Member] | Maximum [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   P5Y    
Leasehold Improvements [Member]        
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Estimated Useful Lives   life of lease    
NeoStem, Inc. [Member]        
Property, Plant and Equipment [Line Items]        
Concentration Risk, Percentage   0.00%    
In Process R&D [Member] | Amorcyte, LLC [Member]        
Property, Plant and Equipment [Line Items]        
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 9,400,000      
In Process R&D [Member] | CSC Acquisition [Member]        
Property, Plant and Equipment [Line Items]        
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)   $ 34,300,000