Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Details)

v2.4.1.9
Long-Term Debt (Details) (USD $)
0 Months Ended 12 Months Ended
Oct. 31, 2014
Dec. 31, 2014
Oct. 31, 2014
installment
Debt Instrument [Line Items]      
Legal Fees   $ 300,000us-gaap_LegalFees  
Notes Payable, Other Payables      
Debt Instrument [Line Items]      
Subordinated note payable 11,000,000us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
   
Long-term debt   7,500,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
 
RedPath Integrated Pathology, Inc | Notes Payable, Other Payables      
Debt Instrument [Line Items]      
Face amount 11,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
  11,000,000us-gaap_DebtInstrumentFaceAmount
/ 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
  5.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
Subordinated note payable 7,396,000us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
   
Interest Expense   100,000us-gaap_InterestExpenseDebt
/ 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
 
Number of equal consecutive quarterly installments 8pdii_DebtInstrumentNumberofEqualConsecutiveQuarterlyInstallments
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
  8pdii_DebtInstrumentNumberofEqualConsecutiveQuarterlyInstallments
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_NotesPayableOtherPayablesMember
RedPath Integrated Pathology, Inc | Loans      
Debt Instrument [Line Items]      
Face amount 20,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
  20,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
Stated interest rate 1.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
  1.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ 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
   
Proceeds from issuance of debt 19,600,000us-gaap_ProceedsFromIssuanceOfDebt
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
   
Debt issuance cost 100,000us-gaap_DebtIssuanceCosts
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
   
Interest Expense   100,000us-gaap_InterestExpenseDebt
/ 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
 
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
   
Maximum | RedPath Integrated Pathology, Inc      
Debt Instrument [Line Items]      
Maximum quarterly principal payment $ 250,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Molecular Diagnostics | Maximum | RedPath Integrated Pathology, Inc      
Debt Instrument [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
   
On or After October 31, 2015 | RedPath Integrated Pathology, Inc | Loans      
Debt Instrument [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 | RedPath Integrated Pathology, Inc | Loans      
Debt Instrument [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 | RedPath Integrated Pathology, Inc | Loans      
Debt Instrument [Line Items]      
Prepayment fee percent 2.00%pdii_DebtInstrumentPrepaymentFeePercent
/ us-gaap_BusinessAcquisitionAxis
= pdii_RedPathIntegratedPathologyIncMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LoansMember
/ pdii_PrepaymentDateAxis
= pdii_DateRangeThreeMember