Annual report pursuant to Section 13 and 15(d)

Description of Business (Details)

v2.4.1.9
Description of Business (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
customer
Discontinued operations      
Basic earnings (losses) from discontinued operations (in dollars per share)   0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare  
Discontinued operations operating cash outflow   910us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations  
EmFinders      
Discontinued operations      
Revenue   113us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= lbrda_EmFindersMember
 
Net earnings (loss) before income taxes   (2,022)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= lbrda_EmFindersMember
 
Income tax expense   2,155us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
/ us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis
= lbrda_EmFindersMember
 
Significant customer | Revenue | TruePosition      
Description of Business      
Number of major customers     1lbrda_NumberOfCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ dei_LegalEntityAxis
= lbrda_TruePositionIncMember
/ us-gaap_MajorCustomersAxis
= lbrda_SignificantCustomerMember
Concentration risk percentage 90.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ dei_LegalEntityAxis
= lbrda_TruePositionIncMember
/ us-gaap_MajorCustomersAxis
= lbrda_SignificantCustomerMember
90.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ dei_LegalEntityAxis
= lbrda_TruePositionIncMember
/ us-gaap_MajorCustomersAxis
= lbrda_SignificantCustomerMember