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Contingencies (Details) - Subsequent Event [Member] - Cell Therapy Business [Member]
$ in Millions
Jul. 25, 2019
USD ($)
Loss Contingencies [Line Items]  
Sale of business month and year 2019-04
Tap Advisors LLC [Member] | Pending Litigation [Member]  
Loss Contingencies [Line Items]  
Loss contingencies, seeks to recover fees $ 3.7