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PROPERTY AND EQUIPMENT, NET (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 228,253us-gaap_PropertyPlantAndEquipmentGross $ 221,448us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation and amortization (121,667)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (112,942)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property Plant and Equipment, Net 106,586us-gaap_PropertyPlantAndEquipmentNet 108,506us-gaap_PropertyPlantAndEquipmentNet
Factory And Office Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 62,633us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= bwmg_FactoryAndOfficeEquipmentMember
62,633us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= bwmg_FactoryAndOfficeEquipmentMember
Tooling [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 59,149us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= bwmg_ToolingMember
52,344us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= bwmg_ToolingMember
Computer Equipment And Software [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 23,932us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= bwmg_ComputerEquipmentAndSoftwareMember
23,932us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= bwmg_ComputerEquipmentAndSoftwareMember
Vehicle [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 44,160us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_VehiclesMember
44,160us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_VehiclesMember
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 38,379us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
$ 38,379us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember