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Note 6 - Long Term Debt (Details) (USD $)
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0 Months Ended |
12 Months Ended |
0 Months Ended |
3 Months Ended |
0 Months Ended |
1 Months Ended |
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Aug. 02, 2013
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Dec. 31, 2014
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Oct. 31, 2011
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Jul. 28, 2014
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Mar. 31, 2015
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Feb. 12, 2013
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Jan. 31, 2015
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Long-term Debt |
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11,372,000us-gaap_LongTermDebt
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$ 11,977,000us-gaap_LongTermDebt
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| Share Price (in Dollars per share) |
$ 2.23us-gaap_SharePrice
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| Lenders [Member] | Promissory Note dated August 2, 2013 [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Proceeds from Issuance of Long-term Debt |
3,000,000us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in Shares) |
35,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share) |
$ 2.23us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Warrants Exercisable Term |
6 months
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| Warrants Not Settleable in Cash, Fair Value Disclosure |
59,000us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Stock Issued During Period, Shares, Other (in Shares) |
90,000us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Number of Shares Received by each Lender (in Shares) |
45,000pesi_NumberOfSharesReceivedByEachLender
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Stock Issued During Period, Value, Other |
200,000us-gaap_StockIssuedDuringPeriodValueOther
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Maximum Number of Payoffs of Shares in Terms of Outstanding Equity |
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20.00%pesi_MaximumNumberOfPayoffsOfSharesInTermsOfOutstandingEquity
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pesi_LendersMember
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| Amended Loan Agreement [Member] | Revolving Credit Facility [Member] | PNC Bank [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Line of Credit Facility, Maximum Borrowing Capacity |
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12,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_DebtInstrumentAxis
= pesi_AmendedLoanAgreementMember
/ us-gaap_LineOfCreditFacilityAxis
= pesi_PNCBankMember
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| Amendment 4 [Member] | Term Loan [Member] | PNC Bank [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Long-term Debt |
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16,000,000us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= pesi_Amendment4Member
/ us-gaap_LineOfCreditFacilityAxis
= pesi_PNCBankMember
/ us-gaap_LongtermDebtTypeAxis
= pesi_TermLoanMember
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| Debt Instrument, Periodic Payment, Principal |
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190,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= pesi_Amendment4Member
/ us-gaap_LineOfCreditFacilityAxis
= pesi_PNCBankMember
/ us-gaap_LongtermDebtTypeAxis
= pesi_TermLoanMember
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| Debt Instrument, Term |
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7 years
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| Amendment 6 [Member] | PFSG [Member] | PNC Bank [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Line of Credit Facility Reduction |
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1,500,000pesi_LineOfCreditFacilityReduction
/ us-gaap_DebtInstrumentAxis
= pesi_Amendment6Member
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pesi_PFSGMember
/ us-gaap_LineOfCreditFacilityAxis
= pesi_PNCBankMember
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| Proceeds from Insurance Settlement, Investing Activities |
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3,850,000us-gaap_ProceedsFromInsuranceSettlementInvestingActivities
/ us-gaap_DebtInstrumentAxis
= pesi_Amendment6Member
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pesi_PFSGMember
/ us-gaap_LineOfCreditFacilityAxis
= pesi_PNCBankMember
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| Amendment 6 [Member] | PNC Bank [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Line of Credit Facility Reduction |
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1,500,000pesi_LineOfCreditFacilityReduction
/ us-gaap_DebtInstrumentAxis
= pesi_Amendment6Member
/ us-gaap_LineOfCreditFacilityAxis
= pesi_PNCBankMember
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| Promissory Notes and Installment Agreements [Member] | TNC [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Debt Instrument, Face Amount |
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230,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= pesi_PromissoryNotesAndInstallmentAgreementsMember
/ us-gaap_LineOfCreditFacilityAxis
= pesi_TNCMember
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| Prinicipal Balance of Promissory Note Cancelled as Part of Legal Settlement Arising from Business Acquisition |
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1,460,000pesi_PrinicipalBalanceOfPromissoryNoteCancelledAsPartOfLegalSettlementArisingFromBusinessAcquisition
/ us-gaap_DebtInstrumentAxis
= pesi_PromissoryNotesAndInstallmentAgreementsMember
/ us-gaap_LineOfCreditFacilityAxis
= pesi_TNCMember
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| Repayments of Unsecured Debt |
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10,000us-gaap_RepaymentsOfUnsecuredDebt
/ us-gaap_DebtInstrumentAxis
= pesi_PromissoryNotesAndInstallmentAgreementsMember
/ us-gaap_LineOfCreditFacilityAxis
= pesi_TNCMember
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| Promissory Note dated August 2, 2013 [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Debt Instrument, Unamortized Discount |
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137,000us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
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115,000us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_LongtermDebtTypeAxis
= pesi_PromissoryNoteDatedAugustSecond2013Member
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| Revolving Credit Facility [Member] | PNC Bank [Member] |
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| Note 6 - Long Term Debt (Details) [Line Items] |
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| Line of Credit Facility, Current Borrowing Capacity |
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$ 3,023,000us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= pesi_PNCBankMember
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