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Business, Liquidity and Organization (Details) (USD $)
Mar. 31, 2015
Mar. 09, 2015
Dec. 31, 2014
Mar. 31, 2014
Dec. 31, 2013
Business, Liquidity and Organization [Abstract]          
Expected severance cost   $ 2,000,000us-gaap_RestructuringAndRelatedCostExpectedCost1      
Accumulated deficit (218,819,925)us-gaap_RetainedEarningsAccumulatedDeficit   (220,283,320)us-gaap_RetainedEarningsAccumulatedDeficit    
Cash and cash equivalents 15,724,956us-gaap_CashAndCashEquivalentsAtCarryingValue   18,643,351us-gaap_CashAndCashEquivalentsAtCarryingValue 9,534,720us-gaap_CashAndCashEquivalentsAtCarryingValue 10,480,979us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable (billed and unbilled) 6,600,000pip_BilledAndUnbilledAccountsReceivableNet        
Liabilities current 4,536,717us-gaap_LiabilitiesCurrent   2,581,789us-gaap_LiabilitiesCurrent    
Additional Common Stock Aggregate Gross Sales available under the controlled equity offering arrangement 3,000,000pip_AdditionalCommonStockAggregateGrossSales        
Current portion of long-term debt $ 498,203us-gaap_LongTermDebtCurrent   $ 746,146us-gaap_LongTermDebtCurrent