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RELATED PARTY TRANSACTIONS (Detail Textuals) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Related Party Transaction [Line Items] |  |  |
Company's voting power held by a group | one vote |  |
Investment in joint venture | $ 2,554,000 us-gaap_PaymentsToAcquireInterestInJointVenture |  |
RPC | 255 RC, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Joint venture ownership interest percentage | 50.00%mpx_JointVentureOwnershipInterestPercentage / dei_LegalEntityAxis = us-gaap_LimitedLiabilityCompanyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mpx_RpcMember |  |
Operating lease agreement term | 5 years |  |
Investment in joint venture | 2,554,000 us-gaap_PaymentsToAcquireInterestInJointVenture / dei_LegalEntityAxis = us-gaap_LimitedLiabilityCompanyMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mpx_RpcMember |  |
RPC | Transition Support Services Agreement |  |  |
Related Party Transaction [Line Items] |  |  |
Aggregate service charges paid | 663,000 mpx_AggregateServiceCharges / mpx_AgreementAxis = mpx_TransitionSupportServicesAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mpx_RpcMember | 670,000 mpx_AggregateServiceCharges / mpx_AgreementAxis = mpx_TransitionSupportServicesAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mpx_RpcMember | 544,000 mpx_AggregateServiceCharges / mpx_AgreementAxis = mpx_TransitionSupportServicesAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mpx_RpcMember
Due to related parties | 47,000 us-gaap_DueToRelatedPartiesCurrent / mpx_AgreementAxis = mpx_TransitionSupportServicesAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mpx_RpcMember | 145,000 us-gaap_DueToRelatedPartiesCurrent / mpx_AgreementAxis = mpx_TransitionSupportServicesAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = mpx_RpcMember |
R Randall Rollins And Gary W Rollins |  |  |
Related Party Transaction [Line Items] |  |  |
Company's voting power held by a group | excess of fifty percent |  |
Directors and executive officers |  |  |
Related Party Transaction [Line Items] |  |  |
Number of shares purchased under the stock buyback program | 100,000 us-gaap_TreasuryStockSharesAcquired / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_ExecutiveOfficerMember |  |
Value for shares purchased under the stock buyback program | $ 775,000 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_ExecutiveOfficerMember |  |

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- Definition Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
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