Annual report pursuant to Section 13 and 15(d)

Acquisition Consideration (Details)

v2.4.1.9
Acquisition Consideration (Details) (USD $)
12 Months Ended 0 Months Ended
Dec. 31, 2014
Oct. 31, 2014
Aug. 13, 2014
Aug. 31, 2013
Business Acquisition [Line Items]        
Cash $ 13,359,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired      
Contingent consideration 26,542,000us-gaap_BusinessCombinationContingentConsiderationLiability     500,000us-gaap_BusinessCombinationContingentConsiderationLiability
RedPath Integrated Pathology, Inc        
Business Acquisition [Line Items]        
Cash   13,400,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
   
Transition services obligation   22,066,000us-gaap_BusinessCombinationConsiderationTransferredOther1
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
   
Contingent consideration   23,886,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
   
Total consideration   44,854,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
   
Interpace Diagnostics, LLC        
Business Acquisition [Line Items]        
Cash     8,000,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
 
Transition services obligation     500,000us-gaap_BusinessCombinationConsiderationTransferredOther1
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
 
Contingent consideration     4,476,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
 
Total consideration     12,976,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
 
Thyroid | Interpace Diagnostics, LLC        
Business Acquisition [Line Items]        
Total consideration     8,519,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_DiagnosticTestThyroidMember
 
Pancreas | Interpace Diagnostics, LLC        
Business Acquisition [Line Items]        
Total consideration     2,882,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_DiagnosticTestPancreasMember
 
Biobank | Interpace Diagnostics, LLC        
Business Acquisition [Line Items]        
Total consideration     $ 1,575,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_BioBankMember