XML 19 R42.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 9 - Long Term Debt (Details) - Long-term Debt Instruments (Parentheticals) (USD $) | 9 Months Ended
--- | ---
Sep. 30, 2014
Revolving Credit [Member] | Prime Rate [Member] |
Debt Instrument [Line Items] |
Basis spread on variable rate | 2.00%
Revolving Credit [Member] | London Interbank Offered Rate (LIBOR) [Member] |
Debt Instrument [Line Items] |
Basis spread on variable rate | 3.00%
Revolving Credit [Member] |
Debt Instrument [Line Items] |
Effective interest rate | 4.20%
Reference rate | 3.25%
Term Loan [Member] | Prime Rate [Member] |
Debt Instrument [Line Items] |
Basis spread on variable rate | 2.50%
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] |
Debt Instrument [Line Items] |
Basis spread on variable rate | 3.50%
Term Loan [Member] |
Debt Instrument [Line Items] |
Effective interest rate | 3.80%
Periodic payment, principal (in Dollars) | $ 190,000
Promissory Note dated February 12, 2013 ("New Note") [Member] |
Debt Instrument [Line Items] |
Effective interest rate | 6.00%
Periodic payment, principal (in Dollars) | 10,000
Promissory Note dated August 2, 2013 [Member] |
Debt Instrument [Line Items] |
Effective interest rate | 2.99%
Periodic payment, principal (in Dollars) | $ 125,000
Various Capital Lease and Promissory Note Obligations [Member] | Minimum [Member] |
Debt Instrument [Line Items] |
Effective interest rate | 5.20%
Various Capital Lease and Promissory Note Obligations [Member] | Maximum [Member] |
Debt Instrument [Line Items] |
Effective interest rate | 6.00%

X
- Definition Reference rate is used as a base rate to compute the effective interest rate. + References No definition available. + Details
Name: | pesi_ReferenceRate
Namespace Prefix: | pesi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of the required periodic payments applied to principal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
Name: | us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration