XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Discontinued Operations and Disposal Groups [Abstract] |  |  |
Other assets |  | $ 94 | $ 89
Total current assets |  | 94 | 89
Property, plant and equipment, net | [1] | 81 | 81
Other assets |  | 176 | 195
Total long-term assets |  | 257 | 276
Total assets |  | 351 | 365
Accounts payable |  | 11 | 8
Accrued expenses and other liabilities |  | 262 | 265
Environmental liabilities |  | 619 | 632
Total current liabilities |  | 892 | 905
Closure liabilities |  | 122 | 120
Environmental liabilities |  | 229 | 239
Total long-term liabilities |  | 351 | 359
Total liabilities |  | $ 1,243 | $ 1,264
[1] | net of accumulated depreciation of $10,000 for each period presented.

X
- Definition Amount classified as current assets attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount classified as environmental liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrentEnvironmentalLiabilities
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount classified as accounts payable and accrued liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndOtherLiabilities
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount classified as accounts payable attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrentNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount classified as current and noncurrent assets attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount classified as assets attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationAssetsNotHeldForSaleNoncurrent
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount classified as other assets attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsCurrentNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount classified as other assets attributable to discontinued operations not held for sale, + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationOtherAssetsNotHeldForSaleNoncurrent
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount classified as property, plant and equipment attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNotHeldForSaleNoncurrent
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount classified as liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount classified as liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount classified as liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents closure liabilities of discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsClosureLiabilitiesNotHeldForSale
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount classified as environmental liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
Name: | PESI_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationsEnvironmentalLiabilities
Namespace Prefix: | PESI_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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