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Intangible and other assets, net (Tables) | 9 Months Ended
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Sep. 30, 2013
Intangible and Other Assets, Net | Intangible and other assets, net consisted of the following (in thousands):
|  | At December 31, 2012 |  |  | At September 30, 2013 |
Internet domain names |  | $ | 14,910 |  |  | $ | 14,613 |
Less accumulated amortization |  |  | (14,590 | ) |  |  | (14,393 | )
Internet domain names, net |  |  | 320 |  |  |  | 220 |
Other assets: |  |  |  |  |  |  |  |
Registration fees, net |  |  | 9 |  |  |  | 68 |
Other |  |  | 282 |  |  |  | 281 |
Total intangibles and other assets, net |  | $ | 611 |  |  | $ | 569 |

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- Definition Schedule of intangible assets and other assets. + References No definition available. + Details
Name: | mchx_ScheduleOfIntangibleAssetsAndOtherAssetsTableTextBlock
Namespace Prefix: | mchx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration