v3.2.0.727
Summary of significant accounting policies (Details) - USD ($)
$ in Thousands
Aug. 04, 2015
Jun. 30, 2015
Concourse Communications Detroit, LLC    
Principles of consolidation    
Percentage of ownership in subsidiaries   70.00%
Concourse Communications Detroit, LLC | Subsequent Event    
Principles of consolidation    
Percentage of additional ownership in Subsidiary acquired 30.00%  
Business Combination, Consideration Transferred $ 1,150  
Chicago Concourse Development Group, LLC    
Principles of consolidation    
Percentage of ownership in subsidiaries   70.00%
Boingo Holding Participacoes Ltda.    
Principles of consolidation    
Percentage of ownership in subsidiaries   75.00%