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v3.23.2

Schedule of Segment Reporting Information (Details) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Segment Reporting [Abstract] |  |  |  |
Financed portion amount in the purchase of capital expenditure | $ 107,000 | $ 0 | $ 157,000 | $ 114,000

X
- Definition Financed portion amount in the purchase of capital expenditure. + References No definition available. + Details
Name: | PESI_FinancedPortionAmountInPurchaseOfCapitalExpenditure
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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