v2.4.1.9

Stock incentive plans (Details 3) (Options) | 12 Months Ended
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Dec. 31, 2014
Options |
Stock incentive plans |
Vesting period | 4 years
Vesting percentage when the individual completes 12 months of continuous service | 25.00%wifi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageUponIndividualCompletesSpecifiedMonthsOfContinuousService / us-gaap_AwardTypeAxis = wifi_EmployeeAndNonemployeeStockOptionMember
Continuous service period of individual | 12 months
Vesting percentage on a monthly basis | 75.00%wifi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageOnMonthlyBasis / us-gaap_AwardTypeAxis = wifi_EmployeeAndNonemployeeStockOptionMember

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the continuous service period of an individual that is required for vesting a specified percentage of awards. + References No definition available. + Details
Name: | wifi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardContinuousServicePeriodOfIndividual
Namespace Prefix: | wifi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the vesting rights percentage on a monthly basis under the compensation plan. + References No definition available. + Details
Name: | wifi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageOnMonthlyBasis
Namespace Prefix: | wifi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the vesting rights percentage when the individual completes a specified period of continuous service under the compensation plan. + References No definition available. + Details
Name: | wifi_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRightsPercentageUponIndividualCompletesSpecifiedMonthsOfContinuousService
Namespace Prefix: | wifi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration