XML 39 R40.htm IDEA: XBRL DOCUMENT v2.4.0.6

Stock-Based Compensation Plans (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended	6 Months Ended
	Sep. 30, 2012	Jun. 30, 2012 Separation Agreement [Member]
Stock Based Compensation Plans (Additional Textual) [Abstract]
Vesting of restricted shares		195,000
Tax withholding related to restricted stock awards	$ (24)
Repurchase of stock for tax withholding	6,900
Minimum withholding taxes on restricted stocks	26,000

X

- Definition

Minimum withholding taxes on restricted stocks.

+ References

No definition available.

+ Details

Name:	mchx_MinimumWithholdingTaxesOnRestrictedStocks
Namespace Prefix:	mchx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of shares repurchased to cover taxes on restricted stock vest for certain executives.

+ References

No definition available.

+ Details

Name:	mchx_NumberOfSharesRepurchasedForTaxesOnRestrictedStock
Namespace Prefix:	mchx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow paid by the company to cover an employee's income tax withholding obligation as part of a share-based award.

+ References

No definition available.

+ Details

Name:	mchx_PaymentsRelatedToTaxWithholdingForRestrictedStock
Namespace Prefix:	mchx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	mchx_StockBasedCompensationPlansAdditionalTextualAbstract
Namespace Prefix:	mchx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(d)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration