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Note 6 - Long Term Debt (Details) - Long-term Debt Instruments (USD $)
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Mar. 31, 2015
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Dec. 31, 2014
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| Debt Instrument [Line Items] | ||
| Long-term debt | $ 11,977,000us-gaap_LongTermDebt | $ 11,372,000us-gaap_LongTermDebt |
| Less current portion of long-term debt | 3,723,000us-gaap_LongTermDebtCurrent | 3,733,000us-gaap_LongTermDebtCurrent |
| 8,254,000us-gaap_LongTermDebtNoncurrent | 7,639,000us-gaap_LongTermDebtNoncurrent | |
| Capital lease (interest at rate of 6.0%) | 41,000us-gaap_CapitalLeaseObligations | 47,000us-gaap_CapitalLeaseObligations |
| Revolving Credit [Member] | ||
| Debt Instrument [Line Items] | ||
| Long-term debt |
1,545,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pesi_RevolvingCreditMember |
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| Term Loan [Member] | ||
| Debt Instrument [Line Items] | ||
| Long-term debt |
8,381,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pesi_TermLoanMember |
8,952,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pesi_TermLoanMember |
| Promissory Note dated February 12, 2013 ("New Note") [Member] | ||
| Debt Instrument [Line Items] | ||
| Long-term debt |
10,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pesi_PromissoryNoteDatedFebruary122013NewNoteMember |
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| Promissory Note dated August 2, 2013 [Member] | ||
| Debt Instrument [Line Items] | ||
| Long-term debt |
$ 2,010,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pesi_PromissoryNoteDatedAugustSecond2013Member |
$ 2,363,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = pesi_PromissoryNoteDatedAugustSecond2013Member |
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- Definition
Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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