Annual report pursuant to Section 13 and 15(d)

Discontinued Operations (Details Textual)

v2.4.1.9
Discontinued Operations (Details Textual) (USD $)
12 Months Ended 11 Months Ended
Dec. 31, 2014
Dec. 04, 2013
Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Due to related parties $ 2,373,352us-gaap_DueToRelatedPartiesCurrent     
Payments for businesses and interest in affiliates 84,917,899us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates    
China Dredging Group Co Ltd [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Promissory note payable 155,200,000us-gaap_DebtInstrumentDecreaseForgiveness
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pme_ChinaDredgingMember
   
Promissory note payable, interest rate 4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pme_ChinaDredgingMember
   
Debt Instrument, maturity date Jun. 19, 2015    
Due to related parties   172,500,000us-gaap_DueToRelatedPartiesCurrent
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pme_ChinaDredgingMember
 
Assets net   236,600,000us-gaap_AssetsNet
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pme_ChinaDredgingMember
 
Gain on disposal of assets   117,500,000us-gaap_GainLossOnDispositionOfAssets1
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pme_ChinaDredgingMember
 
Payments for businesses and interest in affiliates   $ 543,800,000us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= pme_ChinaDredgingMember
 
Operating rights appraised description the transfer to the Company of the 25-year license operating rights for 20 new fishing vessels, with such rights appraised at $216.1 million