XML 28 R52.htm IDEA: XBRL DOCUMENT v2.4.0.8

COMMITMENTS AND CONTINGENCIES (Detail Textuals 1) (USD $)	12 Months Ended
	Dec. 31, 2013 Employee	Dec. 31, 2012	Dec. 31, 2011
COMMITMENTS AND CONTINGENCIES
Total rent expense charged to operations	$ 140,000	$ 106,000	$ 121,000
Long-term deferred tax liabilities	45,000	48,000
Number of employees	2
Monthly payment in percentage of profits	10.00%
Selling, general and administrative expenses related to employment agreements	$ 3,421,000	$ 3,294,000	$ 2,331,000

X

- Definition

This element represents the percentage of profits which used to calculate the monthly payment to each of the employees.

+ References

No definition available.

+ Details

Name:	mpx_MonthlyPaymentInPercentageOfProfits
Namespace Prefix:	mpx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the number of the employees entered into the agreement.

+ References

No definition available.

+ Details

Name:	mpx_NumberOfEmployees
Namespace Prefix:	mpx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the selling, general and administrative expenses related to employment agreements.

+ References

No definition available.

+ Details

Name:	mpx_SellingGeneralAndAdministrativeExpensesRelatedToEmploymentAgreements
Namespace Prefix:	mpx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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

X

- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31917-109318



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31931-109318



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e31958-109318

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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

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Balance Type:	debit
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