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v3.22.1

DEFERRAL OF EMPLOYMENT TAX DEPOSITS (Details Narrative) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Payment of social security taxes amount | $ 626,000 |
Remaining payment of social security taxes amount |  | $ 626,000
Deferral of Employment Tax Deposits [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Social security taxes amount payable | $ 1,252,000 | $ 1,252,000
December 31, 2021 [Member] | Deferral of Employment Tax Deposits [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of social security taxes deferred payable |  | 50.00%
December 31, 2022 [Member] | Deferral of Employment Tax Deposits [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of social security taxes deferred payable |  | 50.00%

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- Definition Payment of social security taxes amount. + References No definition available. + Details
Name: | PESI_PaymentOfSocialSecurityTaxesAmount
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Percentage of company's social security taxes deferred for fiscal year 2020 that is due in future period. + References No definition available. + Details
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Namespace Prefix: | PESI_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Remaining payment of social security taxes amount. + References No definition available. + Details
Name: | PESI_RemainingPaymentOfSocialSecurityTaxesAmount
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Social security taxes amount payable. + References No definition available. + Details
Name: | PESI_SocialSecurityTaxesAmountPayable
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Details
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Namespace Prefix: |
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- Details
Name: | us-gaap_AwardDateAxis=PESI_DecemberThirtyOneTwoThousandAndTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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