XML 58 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Significant Accounting Policies (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
Significant Accounting Policies [Abstract] |
Revenues |
|  | Nine months ended September 30, |  |  | Three months ended September 30, |
|  | 2011 |  |  | 2012 |  |  | 2011 |  |  | 2012 |
Partner and Other Revenue Sources |  | $ | 91,881 |  |  | $ | 95,330 |  |  | $ | 34,820 |  |  | $ | 32,795 |
Proprietary Web site Traffic Sources |  |  | 15,822 |  |  |  | 8,986 |  |  |  | 5,042 |  |  |  | 2,027 |
Total Revenue |  | $ | 107,703 |  |  | $ | 104,316 |  |  | $ | 39,862 |  |  | $ | 34,822 |

X
- Definition Revenue by revenue source. + References No definition available. + Details
Name: | mchx_RevenuesTableTextBlock
Namespace Prefix: | mchx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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