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Schedule of Segment Reporting Information (Details) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting [Abstract]
Financed portion amount in the purchase of capital expenditure	$ 50,000	$ 14,000

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