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Note 12 - Income Taxes (Details) - Reconciliation Between Expected Tax Benefit using the Federal Statutory Rate (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Reconciliation Between Expected Tax Benefit using the Federal Statutory Rate [Abstract] | ||
| Tax benefit at statutory rate | $ (864)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ (11,880)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate |
| State tax benefit, net of federal benefit | (66)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | (102)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes |
| Permanent items | 137us-gaap_IncomeTaxReconciliationNondeductibleExpense | 166us-gaap_IncomeTaxReconciliationNondeductibleExpense |
| Non-deductible Goodwill | 129pesi_IncomeTaxRateReconciliationNondeductibleGoodwillAmount | 9,471pesi_IncomeTaxRateReconciliationNondeductibleGoodwillAmount |
| Difference in foreign rate | 98us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential | |
| Reversal of deferred tax assets for divested facility (SYA) | 99pesi_IncometaxReconciliationReversalOfDeferredTaxAssetsForDivestedFacility | |
| Reversal of deferred tax assets on stock compensation | 593pesi_IncomeTaxReconciliationReversalOfDeferredTaxAssetsOnStockCompensation | |
| Other | 75us-gaap_IncomeTaxReconciliationOtherAdjustments | 125us-gaap_IncomeTaxReconciliationOtherAdjustments |
| Reserve for uncertain tax positions | 180us-gaap_IncomeTaxReconciliationTaxContingenciesOther | |
| Increase in valuation allowance | 216us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther | 1,415us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther |
| Income tax expense (benefit) | $ 417us-gaap_IncomeTaxExpenseBenefit | $ (625)us-gaap_IncomeTaxExpenseBenefit |
| X | ||||||||||
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- Definition
Represents non deductible goodwill. No definition available.
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| X | ||||||||||
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- Definition
Represents reconciliation between the expected tax expense and the reported tax expense for the reversal of deferred tax asset for the disposed of assets. No definition available.
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| X | ||||||||||
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- Definition
Represents the income tax reconciliation for the reversal of deferred tax assets on stock compensation. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in other income tax contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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