v2.4.1.9

Stock repurchases (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended | 0 Months Ended |
--- | --- | --- | ---
Dec. 31, 2013 | Apr. 01, 2013 | Dec. 31, 2014
Equity, Class of Treasury Stock |  |  |
Number of shares repurchased and retired under the stock repurchase program | 722,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares |  |
Value of shares repurchased and retired under the stock repurchase program excluding commissions paid | $ 4,820 wifi_StockRepurchasedDuringPeriodValueExcludingCommissionsPaid |  |
Average price under the stock repurchase program (in dollars per share) | $ 6.68 wifi_StockRepurchaseProgramAverageRepurchasePrice |  |
Remaining amount authorized for the share repurchase program |  |  | 5,180 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Maximum |  |  |
Equity, Class of Treasury Stock |  |  |
Amount of common stock approved by the entity for a stock repurchase program |  | $ 10,000 wifi_AmountOfCommonStockApprovedByEntityForStockRepurchaseProgram / us-gaap_RangeAxis = us-gaap_MaximumMember |

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

X
- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of common stock approved by the entity for a stock repurchase program in the open market, exclusive of any commissions, markups or expenses. + References No definition available. + Details
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Namespace Prefix: | wifi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Equity impact of the value of stock excluding commissions paid that has been repurchased during the period and has not been retired and is not held in treasury. + References No definition available. + Details
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Namespace Prefix: | wifi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the average repurchase price per share of the shares that were repurchased during the current period. + References No definition available. + Details
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Namespace Prefix: | wifi_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |