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Business Acquisitions Oncotest Definite-Lived Intangible Assets (Details) - Oncotest
$ in Thousands
Nov. 18, 2015
USD ($)
Business Acquisition [Line Items]  
Definite-lived intangible assets $ 13,330
Client relationships, net  
Business Acquisition [Line Items]  
Definite-lived intangible assets $ 7,146
Weighted average amortization life 19 years
Developed technology  
Business Acquisition [Line Items]  
Definite-lived intangible assets $ 5,960
Weighted average amortization life 19 years
Other intangible assets  
Business Acquisition [Line Items]  
Definite-lived intangible assets $ 224
Weighted average amortization life 3 years