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Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) (USD $) | 3 Months Ended
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Mar. 31, 2015
Finite-Lived Intangible Assets [Line Items] |  |
Gross carrying amount | $ 11,573,000 us-gaap_FiniteLivedIntangibleAssetsGross |
Accumulated amortization | (1,762,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Impairment charges | (231,000)us-gaap_ImpairmentOfIntangibleAssetsFinitelived |
Foreign currency translation | (289,000)ppsi_FiniteLivedIntangibleAssetsForeignCurrencyTranslationAdjustments |
Net book value | 9,291,000 us-gaap_FiniteLivedIntangibleAssetsNet |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted average amortization years | 7 years |
Gross carrying amount | 7,282,000 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Accumulated amortization | (1,463,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Impairment charges | (214,000)us-gaap_ImpairmentOfIntangibleAssetsFinitelived / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Foreign currency translation | (158,000)ppsi_FiniteLivedIntangibleAssetsForeignCurrencyTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Net book value | 5,447,000 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |
Non-Compete Agreement [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted average amortization years | 6 years |
Gross carrying amount | 465,000 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember |
Accumulated amortization | (218,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember |
Foreign currency translation | (2,000)ppsi_FiniteLivedIntangibleAssetsForeignCurrencyTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember |
Net book value | 245,000 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember |
Trademarks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted average amortization years, description |  | [1]
Gross carrying amount | 2,113,000 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Accumulated amortization | (41,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Foreign currency translation | (62,000)ppsi_FiniteLivedIntangibleAssetsForeignCurrencyTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Net book value | 2,010,000 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Indefinite-lived intangible assets acquired | 1,800,000 us-gaap_IndefinitelivedIntangibleAssetsAcquired / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Next twelve months | 300,000 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TrademarksMember |
Distributor Territory License [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted average amortization years | 4 years |
Gross carrying amount | 474,000 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember |
Accumulated amortization | (30,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember |
Net book value | 444,000 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember |
Internally Developed Software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted average amortization years | 7 years |
Gross carrying amount | 289,000 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Accumulated amortization | (10,000)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Net book value | 279,000 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_OtherIntangibleAssetsMember |
Technology-Related Industry Accreditations [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted average amortization years, description | Indefinite |
Gross carrying amount | 950,000 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember |
Impairment charges | (17,000)us-gaap_ImpairmentOfIntangibleAssetsFinitelived / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember |
Foreign currency translation | (67,000)ppsi_FiniteLivedIntangibleAssetsForeignCurrencyTranslationAdjustments / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember |
Net book value | $ 866,000 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember |
[1] | Includes $1.8 million of trademarks with an indefinite useful life, and $0.3 million of trademarks that will be fully amortized during 2015 as a result of the Company’s decision to cease using them.

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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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