Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Related Parties Transactions (Details Textual)

v3.4.0.3

Related Parties Transactions (Details Textual)			1 Months Ended				3 Months Ended
Related Parties Transactions (Details Textual)	Aug. 01, 2015 USD ($)	Aug. 01, 2015 CNY (¥)	Jul. 31, 2013 USD ($)	Jul. 31, 2013 HKD	Jul. 31, 2012 USD ($)	Jul. 31, 2012 CNY (¥)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 CNY (¥)	Mar. 31, 2015 USD ($)
Related Party Transaction [Line Items]
Operating leases, Rent expense							$ 3,211		$ 3,423
VIE [Member]
Related Party Transaction [Line Items]
Expenses related to termination of VIE structure \| ¥								¥ 83,000,000
Percentage of ownership							100.00%	100.00%
Ping Lin [Member]
Related Party Transaction [Line Items]
Operating leases, Rent expense	$ 13,000	¥ 84,000			$ 13,000	¥ 84,000
Lease expiration date	Aug. 01, 2016	Aug. 01, 2016			Aug. 01, 2015	Aug. 01, 2015
Lease Term	1 year	1 year			3 years	3 years
Hai Yi Shipping Ltd. [Member]
Related Party Transaction [Line Items]
Rental and related administrative service charge							$ 115,340		$ 115,602
Hai Yi Shipping Ltd. [Member] \| Before Renewal Service Agreement [Member]
Related Party Transaction [Line Items]
Lease expiration date			Dec. 31, 2014	Dec. 31, 2014
Service agreement, monthly payments			$ 38,000	HKD 298,500
Term of services			1 year 6 months	1 year 6 months
Hai Yi Shipping Ltd. [Member] \| After Renewal Service Agreement [Member]
Related Party Transaction [Line Items]
Lease expiration date			Dec. 31, 2016	Dec. 31, 2016
Service agreement, monthly payments			$ 38,000	HKD 298,500

- Definition

Term of Lease.

+ References

No definition available.

+ Details

Name:	pme_LeaseTerm
Namespace Prefix:	pme_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Rental and related administrative service charge

+ References

No definition available.

+ Details

Name:	pme_RentalAndRelatedAdministrativeServiceCharge
Namespace Prefix:	pme_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Term of Services.

+ References

No definition available.

+ Details

Name:	pme_TermOfServices
Namespace Prefix:	pme_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Total costs related to services rendered by an entity during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Costs of sales and operating expenses for the period incurred from transactions with related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_CostsAndExpensesRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=us-gaap_VariableInterestEntityVIEOrPotentialVIEInformationUnavailabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=pme_PingLinMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=pme_HaiYiShippingLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	pme_ServiceAgreementAxis=pme_BeforeRenewalServiceAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	pme_ServiceAgreementAxis=pme_AfterRenewalServiceAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: