Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details 3)

v2.4.1.9
Commitments and Contingencies (Details 3) (Revenue, Customer concentration, Significant customer)
3 Months Ended
Mar. 31, 2015
item
Mar. 31, 2014
Revenue | Customer concentration | Significant customer
   
Certain Risks and Concentrations    
Number of major customers 1lbrda_NumberOfCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= lbrda_SignificantCustomerMember
 
Concentration risk percentage 74.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= lbrda_SignificantCustomerMember
84.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= lbrda_SignificantCustomerMember