v2.4.1.9
Credit Facility (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 0 Months Ended
Mar. 31, 2015
Nov. 21, 2014
Dec. 31, 2014
Line of Credit Facility      
Borrowings under Revolving Line of Credit $ 5,000us-gaap_ProceedsFromLinesOfCredit    
Maturities of current and long-term debt      
Long-term Debt, Total 7,406us-gaap_LongTermDebt   2,625us-gaap_LongTermDebt
Amortization of debt issuance costs      
2015 133wifi_AmortizationOfDebtIssuanceCostsInNextTwelveMonths    
2016 178wifi_AmortizationOfDebtIssuanceCostsInYearTwo    
2017 178wifi_AmortizationOfDebtIssuanceCostsInYearThree    
2018 158wifi_AmortizationOfDebtIssuanceCostsInYearFour    
Amortization of debt issuance costs 647wifi_AmortizationOfDebtIssuanceCosts    
Subsequent Event      
Line of Credit Facility      
Borrowings under Revolving Line of Credit 10,000us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Line of Credit      
Line of Credit Facility      
Deferred finance costs 711us-gaap_DeferredFinanceCostsNet
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
   
Amortization and interest expense capitalized 76us-gaap_AmortizationOfFinancingCosts
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
   
Amortization period for deferred finance cost 4 years    
Line of Credit | Minimum      
Line of Credit Facility      
Interest rate percentage 2.67%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
   
Line of Credit | Maximum      
Line of Credit Facility      
Interest rate percentage 2.74%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
   
Line of Credit | LIBOR      
Line of Credit Facility      
Floating interest rate, basis LIBOR    
Line of Credit | LIBOR | Minimum      
Line of Credit Facility      
Spread on floating interest rate (as a percent) 2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
Line of Credit | LIBOR | Maximum      
Line of Credit Facility      
Spread on floating interest rate (as a percent) 3.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
   
Line of Credit | Prime Rate      
Line of Credit Facility      
Floating interest rate, basis Prime Rate    
Line of Credit | Prime Rate | Minimum      
Line of Credit Facility      
Spread on floating interest rate (as a percent) 1.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember
   
Line of Credit | Prime Rate | Maximum      
Line of Credit Facility      
Spread on floating interest rate (as a percent) 2.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= us-gaap_PrimeRateMember
   
Revolving Line of Credit      
Line of Credit Facility      
Maximum borrowing capacity   46,500us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
 
Maximum borrowing capacity with an option to increase the available amount upon the satisfaction of certain conditions   86,500wifi_LineOfCreditFacilityContingentIncreaseToMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
 
Outstanding balance 5,000us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
  0us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
Revolving Line of Credit | Minimum      
Line of Credit Facility      
Fee on unused portion of Revolving Line of Credit(as a percent)   0.375%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Revolving Line of Credit | Maximum      
Line of Credit Facility      
Fee on unused portion of Revolving Line of Credit(as a percent)   0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Term Loan      
Line of Credit Facility      
Maximum borrowing capacity   3,500us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
 
Amortization period for interest and principal   4 years  
Outstanding balance 3,281us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
  3,500us-gaap_LettersOfCreditOutstandingAmount
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
Maturities of current and long-term debt      
2015 656us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
   
2016 875us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
   
2017 875us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
   
2018 875us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember
   
Long-term Debt, Total $ 3,281us-gaap_LongTermDebt
/ us-gaap_CreditFacilityAxis
= us-gaap_SecuredDebtMember