|
Summary of significant accounting policies (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
|
Mar. 31, 2012
|
|---|---|---|
| Business combinations | ||
| Transaction costs associated with business combinations | $ 158 | $ 0 |
|
Concourse Communications Detroit, LLC
|
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| Principles of consolidation | ||
| Percentage of ownership in subsidiaries | 70.00% | |
|
Chicago Concourse Development Group, LLC
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||
| Principles of consolidation | ||
| Percentage of ownership in subsidiaries | 70.00% | |
|
Boingo Holding Participacoes Ltda.
|
||
| Principles of consolidation | ||
| Percentage of ownership in subsidiaries | 75.00% |