v2.4.0.8

Summary of significant accounting policies (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2013
Basis of presentation |  |
Decrease in net loss attributable to common stockholders due to certain out-of-period adjustments | $ 267 |
Business combinations |  |
Transaction costs associated with business combinations | $ 34 | $ 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%

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- 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 59 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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
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- 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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- 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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