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Note 11 - Accrued Closure Costs and Asset Retirement Obligations ("ARO") (Details) (USD $)
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12 Months Ended |
|---|---|
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Dec. 31, 2013
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| Asset Retirement Obligation Disclosure [Abstract] | |
| Restructuring Reserve Adjustment To Pretax Loss | $ (448,000)pesi_RestructuringReserveAdjustmentToPretaxLoss |
| X | ||||||||||
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- Definition
Impact to pretax loss from adjustment to closure obligation. No definition available.
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| X | ||||||||||
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- Details
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