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Significant Accounting Policies (Details)
12 Months Ended
Dec. 31, 2014
Computers and Software [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life (Mainly 33)
Office Furniture and Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life (Mainly 10)
Leasehold Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life Over the shorter of the period of the lease or the life of the assets
Motor Vehicles [Member]  
Property, Plant and Equipment [Line Items]  
Annual rates 15.00%bosc_PropertyPlantAndEquipmentDepreciationRate
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_VehiclesMember
Minimum [Member] | Computers and Software [Member]  
Property, Plant and Equipment [Line Items]  
Annual rates 20.00%bosc_PropertyPlantAndEquipmentDepreciationRate
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Minimum [Member] | Office Furniture and Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Annual rates 6.00%bosc_PropertyPlantAndEquipmentDepreciationRate
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum [Member] | Computers and Software [Member]  
Property, Plant and Equipment [Line Items]  
Annual rates 33.00%bosc_PropertyPlantAndEquipmentDepreciationRate
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Maximum [Member] | Office Furniture and Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Annual rates 15.00%bosc_PropertyPlantAndEquipmentDepreciationRate
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember