v2.4.0.8

Summary of significant accounting policies (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2013
Basis of presentation |  |
Decrease in net loss attributable to common stockholders due to certain out-of-period adjustments |  | $ 217
Business combinations |  |
Transaction costs associated with business combinations | $ 0 | $ 192
Concourse Communications Detroit, LLC |  |
Principles of consolidation |  |
Percentage of ownership in subsidiaries | 70.00% | 70.00%
Chicago Concourse Development Group, LLC |  |
Principles of consolidation |  |
Percentage of ownership in subsidiaries | 70.00% | 70.00%
Boingo Holding Participacoes Ltda. |  |
Principles of consolidation |  |
Percentage of ownership in subsidiaries | 75.00% | 75.00%

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460 + Details
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X
- Details
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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- Details
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- Definition Represents the amount of decrease in net loss attributable to common stockholders due to certain out-of-period adjustments. + References No definition available. + Details
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