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SCHEDULE OF ASSET RETIREMENT OBLIGATIONS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Asset Retirement Obligation Disclosure [Abstract] |  |
Balance at beginning | $ 4,101 | $ 3,576
Addition to closure and post-closure asset |  | 1,128
Amortization of closure and post-closure asset | (878) | (603)
Balance at end | $ 3,223 | $ 4,101

X
- Definition Addition to closure and post closure asset. + References No definition available. + Details
Name: | PESI_AdditionToClosureAndPostClosureAsset
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amortization for the period in the amount of closure and post-closure asset. + References No definition available. + Details
Name: | PESI_AmortizationOfClosureAndPostClosureAsset
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the carrying amount of closure and post closure assets. + References No definition available. + Details
Name: | PESI_ClosureAndPostClosureAssets
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AssetRetirementObligationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration