XML 77 R51.htm IDEA: XBRL DOCUMENT
v2.4.1.9

COMMITMENTS AND CONTINGENCIES (Detail Textuals) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014
COMMITMENTS AND CONTINGENCIES |
Contractually obligated to repurchase inventory | $ 1,100,000 mpx_ContractuallyObligatedToRepurchaseInventory
Reduction of net sales | 75,000 mpx_ReductionOfNetSalesDueToContractualRepurchase
Repurchase limit in percentage of amount of average net receivables | 16.00%mpx_ContractualObligationOfRepurchaseLimitInPercentageOfAmountOfAverageNetReceivables
Contractual repurchase, amount | 8,200,000 mpx_ThresholdLimitForContractualRepurchasesUnderAgreementsAmount
Maximum repurchase obligation | 4,500,000 mpx_ThresholdLimitForContractualRepurchasesUnderAgreementsHavingTermOfLessThanOneYear
Aggregate repurchase obligation | $ 12,700,000 us-gaap_PurchaseObligation

X
- Definition Represents the amount of contractually obligated to repurchase inventory. + References No definition available. + Details
Name: | mpx_ContractuallyObligatedToRepurchaseInventory
Namespace Prefix: | mpx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the percentage of the average net receivables which is used to calculate the contractual repurchase limit. + References No definition available. + Details
Name: | mpx_ContractualObligationOfRepurchaseLimitInPercentageOfAmountOfAverageNetReceivables
Namespace Prefix: | mpx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents reduction of net sales due to contractual repurchases. + References No definition available. + Details
Name: | mpx_ReductionOfNetSalesDueToContractualRepurchase
Namespace Prefix: | mpx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the amount of threshold limit for aggregate contractual repurchases under agreements. + References No definition available. + Details
Name: | mpx_ThresholdLimitForContractualRepurchasesUnderAgreementsAmount
Namespace Prefix: | mpx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the threshold limit for aggregate contractual repurchases under agreements having term of less than one year. + References No definition available. + Details
Name: | mpx_ThresholdLimitForContractualRepurchasesUnderAgreementsHavingTermOfLessThanOneYear
Namespace Prefix: | mpx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant