Annual report pursuant to Section 13 and 15(d)

Related Parties Transactions (Details 6)

v2.4.1.9
Related Parties Transactions (Details 6) (USD $)
Dec. 31, 2014
Ping Lin [Member]  
Operating Leased Assets [Line Items]  
Future minimum rental payments, 2015 $ 7,982us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pme_PingLinMember
Hai Yi Shipping Ltd. [Member]  
Operating Leased Assets [Line Items]  
Future minimum rental and related administrative service charge payment, 2015 $ 461,934pme_FutureMinimumRentalAndRelatedAdministrativeServiceChargePayment
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pme_HaiYiShippingLimitedMember