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Summary of Significant Accounting Policies (Narrative) (Details) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 09, 2015
Significant Accounting Policies [Line Items]        
Number of operating segment 1us-gaap_NumberOfOperatingSegments      
Restructuring expense $ 2,060,809us-gaap_RestructuringCharges       
Expected severance cost       2,000,000us-gaap_RestructuringAndRelatedCostExpectedCost1
Share-based compensation expense, forfeitures rate 12.00%pip_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate      
Share-based compensation expense, extension of exercise period 75,000pip_ShareBasedCompensationExtensionOfExercisePeriod      
Share-based compensation, reversal from stock option forfeitures 129,000pip_ShareBasedCompensationReversalFromStockOptionForfeitures      
Net reversal of share-based compensation expense 54,000pip_ShareBasedCompensationReversalNet      
Stock options granted 12,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod 1,217,755us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod    
Restricted stock granted 117,500pip_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsGrantedInPeriod      
Unrecognized share-based compensation expense related to unvested awards, net of forfeitures 1,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized   1,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized  
Unrecognized share-based compensation expense related to unvested awards expected to be recognized in the period 2 years 7 months 6 days      
Income tax expense 19,805us-gaap_CurrentIncomeTaxExpenseBenefit 29,705us-gaap_CurrentIncomeTaxExpenseBenefit    
Anti-dilutive securities excluded from computation of earnings per share 4,900,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 12,600,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount    
Government Contract A [Member]        
Significant Accounting Policies [Line Items]        
Audited BARDA revenue     $ 5,800,000pip_RevenueRecognizedFromContractAudit
/ us-gaap_MajorCustomersAxis
= pip_GovernmentContractMember