Annual report pursuant to Section 13 and 15(d)

Acquisition (Details)

v2.4.1.9
Acquisition (Details) (USD $)
0 Months Ended 12 Months Ended 0 Months Ended
Oct. 31, 2014
Dec. 31, 2014
Aug. 13, 2014
Dec. 31, 2013
Aug. 31, 2013
Business Acquisition [Line Items]          
Cash paid to acquire business   $ 13,359,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired      
Finite-lived intangible assets, gross   47,468,000us-gaap_FiniteLivedIntangibleAssetsGross      
Contingent consideration, liability   26,542,000us-gaap_BusinessCombinationContingentConsiderationLiability     500,000us-gaap_BusinessCombinationContingentConsiderationLiability
Common stock, par value (usd per share)   $ 0.01us-gaap_CommonStockParOrStatedValuePerShare   $ 0.01us-gaap_CommonStockParOrStatedValuePerShare  
Goodwill   15,545,000us-gaap_Goodwill   0us-gaap_Goodwill  
FDIC indemnification asset, acquisitions 2,500,000us-gaap_FDICIndemnificationAssetAcquisitions        
Interpace Diagnostics, LLC          
Business Acquisition [Line Items]          
Assets acquired, samples     5,000pdii_SignificantAcquisitionsandDisposalsAssetsAcquiredSamples
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
   
Cash paid to acquire business     8,000,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
   
Other Commitment     500,000us-gaap_OtherCommitment
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
   
Finite-lived intangible assets, gross     13,000,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
   
Finite-lived intangible asset, useful life     7 years 10 months 24 days    
Contingent consideration, liability     4,476,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
   
RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Cash paid to acquire business 13,400,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
       
Contingent consideration, liability 23,886,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
       
Working capital adjustment 1,600,000us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
1,820,000us-gaap_AdjustmentsToAdditionalPaidInCapitalOther
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
     
Contingent cash payments on annual net sales 5,000,000pdii_BusinessCombinationContingentCashPaymentsonAnnualNetSales
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
       
Goodwill 15,545,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
       
Maximum | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Maximum quarterly principal payment 250,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
       
Diagnostic Test - Pancreas | Interpace Diagnostics, LLC          
Business Acquisition [Line Items]          
Royalty Percentage     5.00%pdii_RoyaltyPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_DiagnosticTestPancreasMember
   
Royalty Percentage Period     10 years    
Diagnostic Test - Thyroid | Interpace Diagnostics, LLC          
Business Acquisition [Line Items]          
Royalty Percentage     3.50%pdii_RoyaltyPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_DiagnosticTestThyroidMember
   
Diagnostic Test- Other Thyroid | Interpace Diagnostics, LLC          
Business Acquisition [Line Items]          
Royalty Percentage     1.50%pdii_RoyaltyPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_InterpaceDiagnosticsLLCMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_DiagnosticTestOtherThyroidMember
   
Royalty Percentage Period     10 years    
Barrett's Esophagus | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Annual net sales threshold 14,000,000pdii_BusinessCombinationContingentCashPaymentsAnnualNetSalesThreshold
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_BarrettsEsophagusMember
       
Interpace and RedPath | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Annual net sales threshold 37,000,000pdii_BusinessCombinationContingentCashPaymentsAnnualNetSalesThreshold
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_StatementBusinessSegmentsAxis
= pdii_InterpaceandRedPathMember
       
Notes Payable, Other Payables          
Business Acquisition [Line Items]          
Long-term debt   7,500,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
     
Notes Payable, Other Payables | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Number of equal consecutive quarterly installments 8pdii_DebtInstrumentNumberofEqualConsecutiveQuarterlyInstallments
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
       
Stated interest rate 5.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
       
Long-term debt   7,300,000us-gaap_LongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
     
Debt discount rate   13.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
     
Equity interests issued 500,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
       
Common stock, par value (usd per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
       
Face amount 11,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
       
Loans | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Stated interest rate 1.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
Long-term debt   19,700,000us-gaap_LongTermDebt
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
     
Face amount 20,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
Proceeds from issuance of debt 19,600,000us-gaap_ProceedsFromIssuanceOfDebt
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
Margin on interest rate 12.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
Interest rate, increase in case of default 3.00%us-gaap_DebtInstrumentInterestRateIncreaseDecrease
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
Loan Processing Fee 300,000us-gaap_LoanProcessingFee
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
Exit Fee 800,000pdii_DebtInstrumentExitFee
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
Prepayment premium, base amount 80,000,000pdii_DebtInstrumentPrepaymentPremiumBaseAmount
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
       
PathFinderTG | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Royalty Percentage     10.00%pdii_RoyaltyPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_ProductOrServiceAxis
= pdii_PathFinderTGMember
   
Annual net sales threshold 30,000,000pdii_BusinessCombinationContingentCashPaymentsAnnualNetSalesThreshold
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_ProductOrServiceAxis
= pdii_PathFinderTGMember
       
Barrett's Esophagus | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Royalty Percentage     20.00%pdii_RoyaltyPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_ProductOrServiceAxis
= pdii_BarrettsEsophagusMember
   
Annual net sales threshold 30,000,000pdii_BusinessCombinationContingentCashPaymentsAnnualNetSalesThreshold
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_ProductOrServiceAxis
= pdii_BarrettsEsophagusMember
       
PathFinderTG-Pancreas | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Royalty Percentage     6.50%pdii_RoyaltyPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_ProductOrServiceAxis
= pdii_PathFinderTGPancreasMember
   
Annual net sales threshold 12,000,000pdii_BusinessCombinationContingentCashPaymentsAnnualNetSalesThreshold
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_ProductOrServiceAxis
= pdii_PathFinderTGPancreasMember
       
Molecular Diagnostics | Maximum | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Quarterly revenue based payments, percent of net sales 1.25pdii_DebtInstrumentQuarterlyRevenueBasedPaymentsPercentofNetSales
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_ProductOrServiceAxis
= pdii_MolecularDiagnosticsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
       
RedPath          
Business Acquisition [Line Items]          
Finite-lived intangible assets, gross     34,500,000us-gaap_FiniteLivedIntangibleAssetsGross
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= pdii_RedPathMember
   
Finite-lived intangible asset, useful life     8 years 0 months 22 days    
Goodwill   15,545,000us-gaap_Goodwill
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= pdii_RedPathMember
     
On or After October 31, 2015 | Loans | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Prepayment fee percent 6.00%pdii_DebtInstrumentPrepaymentFeePercent
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
/ pdii_PrepaymentDateAxis
= pdii_DateRangeOneMember
       
Between October 31, 2016 and October 31, 2017 | Loans | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Prepayment fee percent 5.00%pdii_DebtInstrumentPrepaymentFeePercent
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
/ pdii_PrepaymentDateAxis
= pdii_DateRangeTwoMember
       
Prepayment premium 1.25%pdii_DebtInstrumentPrepaymentPremium
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
/ pdii_PrepaymentDateAxis
= pdii_DateRangeTwoMember
       
Between October 31, 2007 and October 31, 2008 | Loans | RedPath Integrated Pathology, Inc          
Business Acquisition [Line Items]          
Prepayment fee percent 2.00%pdii_DebtInstrumentPrepaymentFeePercent
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
/ pdii_PrepaymentDateAxis
= pdii_DateRangeThreeMember
       
Reported Value Measurement [Member]          
Business Acquisition [Line Items]          
Contingent consideration, liability   26,542,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember
     
Reported Value Measurement [Member] | RedPath          
Business Acquisition [Line Items]          
Contingent consideration, liability   $ 22,066,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathMember
/ us-gaap_FairValueByMeasurementBasisAxis
= us-gaap_CarryingReportedAmountFairValueDisclosureMember